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light

light
[英] [lait] [美] [laɪt] 生词本

n.

vt.

vi.

adj.

adv.

  • 柯林斯高阶英汉双解学习词典

  • 英英释义

  • 行业释义

  • 词典例句

The form lit is the usual past tense and past participle, but the form lighted is also used. 过去式和过去分词形式通常用lit，但亦使用lighted。
1. N-UNCOUNT 光；光线；光亮 Light is the brightness that lets you see things. Light comes from sources such as the sun, moon, lamps, and fire. 

  • Cracks of light filtered through the shutters...

    斑驳的光线透过百叶窗照射进来。

  • Light and water in embassy buildings were cut off...

    大使馆内的水电都被切断了。

  • It was difficult to see in the dim light.

    光线很昏暗，看不太清楚。

2. N-COUNT 发光体；光源；（电）灯 A light is something such as an electric lamp which produces light. 

  • The janitor comes round to turn the lights out...

    看门人巡视一圈，把灯熄灭。

  • You get into the music, the lights and the people around you.

    你融入到音乐、灯光以及身边的人群中。

  • ...street lights.

    街灯

3. N-PLURAL 交通信号灯；红绿灯 You can use lights to refer to a set of traffic lights. 

  • ...the heavy city traffic with its endless delays at lights and crossings.

    在交通灯和十字路口前长久等待的拥堵的城市车流

4. VERB 照亮；照耀 If a place or object is lit by something, it has light shining on it. 

  • It was dark and a giant moon lit the road so brightly you could see the landscape clearly...

    天黑了，一轮巨大的月亮把道路照得通明，周围的景物可以看得一清二楚。

  • The room was lit by only the one light...

    房间里仅靠这一盏灯照明。

  • The low sun lit the fortress walls with yellow light.

    低悬的太阳将黄灿灿的阳光泻在堡垒的墙壁上。

5. ADJ-GRADED （清晨或黄昏）天色亮的 If it is light, the sun is providing light at the beginning or end of the day. 

  • It was still light when we arrived at Lalong Creek...

    我们到达拉隆溪时天还没黑。

  • He would often rise as soon as it was light and go into the garden.

    他经常天一亮就起床去花园。

  • ...light summer evenings.

    天色明亮的夏日黄昏

6. ADJ-GRADED （自然）光线充足的 If a room or building is light, it has a lot of natural light in it, for example because it has large windows. 

  • It is a light room with tall windows...

    这间房有高大的窗子，光线充足。

  • Her house is light and airy, crisp and clean.

    她的房子光线充足，空气流通，清新整洁。

lightness

  • The dark green spare bedroom is in total contrast to the lightness of the large main bedroom.

    墨绿色的备用卧室与宽敞明亮的主卧室形成了巨大的反差。

7. V-ERG 点燃；点着 If you light something such as a cigarette or fire, or if it lights, it starts burning. 

  • Stephen hunched down to light a cigarette...

    斯蒂芬弓着身子点燃一支烟。

  • If the charcoal does fail to light, use a special liquid spray and light it with a long taper.

    要是木炭确实着不了的话，使用一种特殊的液体喷剂，再用长木片将其点燃。

  • ...a lighted candle.

    点着了的蜡烛

8. N-SING （火柴、打火机等）点火物 If someone asks you for a light, they want a match or cigarette lighter so they can start smoking. 

  • Have you got a light anybody?

    你们谁有火吗？

9. N-COUNT 角度；（事物呈现的）状态 If something is presented in a particular light, it is presented so that you think about it in a particular way or so that it appears to be of a particular nature. 

  • He has worked hard in recent months to portray New York in a better light.

    最近几个月里他努力从更积极的角度来描绘纽约。

10. N-SING 影响 You can refer to the type of influence that something has on situations, people, or things as the light of that situation, person, or thing. 

  • ...the harsh light of reality.

    现实严酷的一面

11. N-PLURAL 眼光；（个人的）观点，标准 You say that something is done or is acceptable according to someone's lights when you mean that it is done or is acceptable according to their own ideas and standards. 

  • They can get on with running the school system according to their own lights and in their own interests.

    他们可以继续按照自己的想法，依据自己的利益来管理学校系统。

12. N-SING 眼神；目光 If there is a light in someone's eyes, there is an expression in their eyes that shows you the mood they are in or what they are thinking about. 

  • I remembered the curious expectant light in his eyes.

    我记得他眼里那好奇而期待的目光。

13. See also: lighter; lighting; bright lights; night light; pilot light; red light;  
14. PHRASE 显露；揭露；为人所知 If something comes to light or is brought to light, it becomes obvious or is made known to a lot of people. 

  • Nothing about this sum has come to light...

    关于这笔钱人们一无所知。

  • The truth is unlikely to be brought to light by the promised enquiry.

    承诺要进行的调查不太可能揭露真相。

15. PHRASE 开始明白 If light dawns on you, you begin to understand something after a period of not being able to understand it. 

  • At last the light dawned. He was going to marry Phylis!

    终于明白过来了——他要和菲莉丝结婚了！

16. PHRASE 黎明；破晓 First light is the time in the early morning when light first appears and before the sun rises. 

  • Three hours before first light Fuentes gave orders for the evacuation of the camp.

    黎明前3个小时富恩特斯下达了撤离营地的命令。

17. PHRASE 准许；许可 If someone in authority gives you a green light, they give you permission to do something. 

  • The food industry was given a green light to extend the use of these chemicals...

    食品业获准继续使用这些化学品。

  • Other countries are eagerly awaiting an American green light to lift the sanctions altogether.

    其他国家正在急切等待美国同意完全撤销制裁。

18. PREP-PHRASE 鉴于；由于；根据 If something is possible in the light of particular information, it is only possible because you have this information. 

  • In the light of this information it is now possible to identify a number of key issues.

    根据这一信息，现在有可能弄清楚几个关键问题了。

19. PHRASE 很快入睡；立即失去知觉 If someone goes out like a light, they fall asleep or become unconscious very quickly or immediately. 

  • 'Why didn't somebody come and tell me?' — 'Because you were out like a light.'

    “为什么没有人来告诉我？”——“因为你一下就睡过去了。”

20. PHRASE 重见天日 If you say that an object sees the light of day or sees the light, you mean that it is taken out of the place where it is stored. 

  • Museum basements are stacked full of objects which never see the light of day.

    博物馆的地下室里堆满了永远不会重见天日的物件。

21. PHRASE 问世；为公众所知 If something sees the light of day at a particular time, it comes into existence or is made known to the public at that time. 

  • This extraordinary document first saw the light of day in 1966.

    这份非同寻常的文件第一次公开是在1966年。

22. PHRASE 明白过来；领悟 If someone sees the light, they finally realize something or change their attitude or way of behaving to a better one. 

  • I saw the light and ditched him.

    我终于醒悟，甩掉了他。

23. PHRASE 点燃；点着 If you set light to something, you make it start burning. 

  • They had poured fuel through the door of the flat and had then set light to it.

    他们隔着公寓门往里边倒汽油，然后点着了火。

in AM, use 美国英语用 set fire to
24. PHRASE 使（某事）显得非常清楚；使人了解（某事） To shed light on ,throw light on, or cast light on something means to make it easier to understand, because more information is known about it. 

  • A new approach offers an answer, and may shed light on an even bigger question.

    新的方法提供了一个答案，并且可能让人们对一个更大的问题有进一步的了解。

25. PHRASE 隧道尽头的曙光；黑暗尽头的希望 When you talk about the light at the end of the tunnel, you are referring to the end of the difficult or unpleasant situation that you are in at the moment. 

  • All I can do is tell her to hold on, that there's light at the end of the tunnel.

    我只能告诉她要坚持，让她知道总会柳暗花明的。

26.   all sweetness and light→see: sweetness; 
相关词组：
light on  light up  light upon 
Noun

1. (physics) electromagnetic radiation that can produce a visual sensation;

  • "the light was filtered through a soft glass window"

2. any device serving as a source of illumination;

  • "he stopped the car and turned off the lights"

3. a particular perspective or aspect of a situation;

  • "although he saw it in a different light, he still did not understand"

4. the quality of being luminous; emitting or reflecting light;

  • "its luminosity is measured relative to that of our sun"

5. an illuminated area;

  • "he stepped into the light"

6. a condition of spiritual awareness; divine illumination;

  • "follow God's light"

7. the visual effect of illumination on objects or scenes as created in pictures;

  • "he could paint the lightest light and the darkest dark"

8. a person regarded very fondly;

  • "the light of my life"

9. mental understanding as an enlightening experience;

  • "he finally saw the light"
  • "can you shed light on this problem?"

10. having abundant light or illumination;

  • "they played as long as it was light"
  • "as long as the lighting was good"

11. public awareness;

  • "it brought the scandal to light"

12. brightness and animation of countenance;

  • "he had a sparkle in his eye"

13. a visual warning signal;

  • "they saw the light of the beacon"
  • "there was a light at every corner"

14. a device for lighting or igniting fuel or charges or fires;

  • "do you have a light?"
Verb

1. make lighter or brighter;

  • "This lamp lightens the room a bit"

2. begin to smoke;

  • "After the meal, some of the diners lit up"

3. to come to rest, settle;

  • "Misfortune lighted upon him"

4. cause to start burning; subject to fire or great heat;

  • "Great heat can ignite almost any dry matter"
  • "Light a cigarette"

5. fall to somebody by assignment or lot;

  • "The task fell to me"
  • "It fell to me to notify the parents of the victims"

6. get off (a horse)

Adjective

1. of comparatively little physical weight or density;

  • "a light load"
  • "magnesium is a light metal--having a specific gravity of 1.74 at 20 degrees C"

2. (used of color) having a relatively small amount of coloring agent;

  • "light blue"
  • "light colors such as pastels"
  • "a light-colored powder"

3. of the military or industry; using (or being) relatively small or light arms or equipment;

  • "light infantry"
  • "light cavalry"
  • "light industry"
  • "light weapons"

4. not great in degree or quantity or number;

  • "a light sentence"
  • "a light accent"
  • "casualties were light"
  • "light snow was falling"
  • "light misty rain"
  • "light smoke from the chimney"

5. psychologically light; especially free from sadness or troubles;

  • "a light heart"

6. characterized by or emitting light;

  • "a room that is light when the shutters are open"
  • "the inside of the house was airy and light"

7. used of vowels or syllables; pronounced with little or no stress;

  • "a syllable that ends in a short vowel is a light syllable"
  • "a weak stress on the second syllable"

8. easily assimilated in the alimentary canal; not rich or heavily seasoned;

  • "a light diet"

9. (used of soil) loose and large-grained in consistency;

  • "light sandy soil"

10. (of sound or color) free from anything that dulls or dims;

  • "efforts to obtain a clean bass in orchestral recordings"
  • "clear laughter like a waterfall"
  • "clear reds and blues"
  • "a light lilting voice like a silver bell"

11. moving easily and quickly; nimble;

  • "the dancer was light and graceful"
  • "a lightsome buoyant step"
  • "walked with a light tripping step"

12. demanding little effort; not burdensome;

  • "light housework"
  • "light exercise"

13. of little intensity or power or force;

  • "the light touch of her fingers"
  • "a light breeze"

14. (physics, chemistry) not having atomic weight greater than average;

  • "light water is ordinary water"

15. weak and likely to lose consciousness;

  • "suddenly felt faint from the pain"
  • "was sick and faint from hunger"
  • "felt light in the head"
  • "a swooning fit"
  • "light-headed with wine"
  • "light-headed from lack of sleep"

16. very thin and insubstantial;

  • "thin paper"
  • "flimsy voile"
  • "light summer dresses"

17. marked by temperance in indulgence;

  • "abstemious meals"
  • "a light eater"
  • "a light smoker"
  • "ate a light supper"

18. less than the correct or legal or full amount often deliberately so;

  • "a light pound"
  • "a scant cup of sugar"
  • "regularly gives short weight"

19. having little importance;

  • "losing his job was no light matter"

20. intended primarily as entertainment; not serious or profound;

  • "light verse"
  • "a light comedy"

21. silly or trivial;

  • "idle pleasure"
  • "light banter"
  • "light idle chatter"

22. having a spongy or flaky texture; well-leavened;

  • "light pastries"

23. designed for ease of movement or to carry little weight;

  • "light aircraft"
  • "a light truck"

24. having relatively few calories;

  • "diet cola"
  • "light (or lite) beer"
  • "lite (or light) mayonnaise"
  • "a low-cal diet"

25. (of sleep) easily disturbed;

  • "in a light doze"
  • "a light sleeper"
  • "a restless wakeful night"

26. casual and unrestrained in sexual behavior;

  • "her easy virtue"
  • "he was told to avoid loose (or light) women"
  • "wanton behavior"
Adverb

1. with few burdens;

  • "experienced travellers travel light"

体育

  • 1.浅色毛
  • 2.计时灯光

医学

  • 1.光，光线：每秒钟3×1010cm的电磁辐射，在空间的振动与传播方向成直角。通常认为波长介于3900°～7700°埃(＝10－8厘米)间的范围可产生主观感觉的刺激，但有时也考虑包括紫外线和红外线的部分

土木工程

<名>
  • 1.轻集料，light-weight aggregate

机械

<名>
  • 1.光切法，light-section method 使与被测物体表面成一定角度的平面光束投射到被测物体上，以测定物体表面微观形状、粗糙度等的方法。
  • 2.光切显微镜， light-section microscope 利用光切法测量零件表面粗糙度的仪器。其表面粗糙度测量范围为1～100μm。

水产

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  • 1.光诱围网，purse seine 用灯光诱集捕捞对象后进行包围作业的围网

物理学

<名>
  • 1.聚光本领，light-gathering power
  • 2.轻气炮，light-gas gun
  • 3.光锥［流］代数，light-cone ［current］ algebra
  • 4.光敏阴极，light-sensitive cathode

电工

<名>
  • 1.光

航海科技

<名>
  • 1.号灯

计算机

  • 1.光(波，源)；【修】轻，淡

金融

  • 1.股市交易清淡
1. Direct light is better for reading than diffuse light.
直射光比漫射光更有利于阅读。

来自《简明英汉词典》

2. Light and shade come in swift alternation; Days and months flash by as quickly as a weaver's shuttle.; Light travels like an arrow, and time like a shuttle.
光阴似箭，日月如梭。

来自《现代汉英综合大词典》

3. The tractors, light and heavy, numbered twenty in all.; There were twenty light and heavy tractors in all.
大小拖拉机计20台。

来自《现代汉英综合大词典》

4. Those in the dark are in no position to light the way for others.; Persons in the dark cannot light the way for others.
以其昏昏，使人昭昭是不行的。

来自《现代汉英综合大词典》

5. A band of light rain and showers extended from the Canadian border to Central Texas.
从加拿大边境到得克萨斯州中部有一片小雨和阵雨区。

来自《简明英汉词典》

6. A dim light came from afar.
一缕暗淡的光线从远处射来。

来自《简明英汉词典》

7. A fire is comparable with the sun; both give light and heat.
火可以和太阳相比，两者都可以发光发热。

来自《简明英汉词典》

8. A light gleamed in that deserted house.
那间空房里有一点亮儿。

来自《现代汉英综合大词典》

9. A light of gratitude came into her eyes.
从她的眼神可以看出她很感激。

来自《现代汉英综合大词典》

10. A light pointer is often useful with a slide projector.
光指示器经常与幻灯片放映机一起使用。

来自《简明英汉词典》

11. A light shone out of the dark wall of the house.
那黑暗的屋墙上突然亮起一盏灯光。

来自《简明英汉词典》

12. A red light is usually a signal of danger.
红灯通常是危险的信号。

来自《现代英汉综合大词典》

13. A steady light beaconed from the tower.
一道稳定的光线从灯塔上指引着。

来自《现代英汉综合大词典》

14. A strange light appeared in the northwest.
一束奇异的光线在西北方闪现。

来自《简明英汉词典》

15. A strong light impinged on his eyes.
一道强烈的光线刺射到他的眼睛上。

来自《现代英汉综合大词典》

16. A tree reaches out its branches towards the light.
树枝向阳光处伸展。

来自《简明英汉词典》

17. Agriculture has developed rapidly, thus providing light industry with ample raw materials.
农业迅速发展，从而为轻工业提供了充足的原料。

来自《现代汉英综合大词典》

18. All plants [flora] need water and light.
一切草木都需要水和阳光。

来自《现代汉英综合大词典》

19. All the stars send out light and heat.
所有的恒星都会发出光和热。

来自《简明英汉词典》

20. Aluminium looks heavy but actually it is very light.
铝看起来很重，实际上却很轻。

来自《简明英汉词典》