查词历史：

beam beam penetration cathoderay tube beam extractor beadwork bead

beam
[英] [bi:m] [美] [bim] 生词本

n.

vi.

vt.

vt.& vi.

  • 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

1. VERB 眉开眼笑；笑容满面 If you say that someone is beaming, you mean that they have a big smile on their face because they are happy, pleased, or proud about something. 

  • Frances beamed at her friend with undisguised admiration...

    弗朗西丝开心地对自己的朋友笑着，毫不掩饰她的羡慕之情。

  • 'Welcome back,' she beamed.

    “欢迎回来，”她满面笑容地说。

  • ...the beaming face of a 41-year-old man on the brink of achieving his dreams.

    即将实现自己梦想的41岁男人的笑脸

2. N-COUNT （能量、放射线或粒子的）束，柱 A beam is a line of energy, radiation, or particles sent in a particular direction. 

  • ...high-energy laser beams.

    高能激光束

  • ...a beam of neutrons.

    一束中子

3. V-ERG （通过电子设备）发送，发射 If something beams radio signals or television pictures or they are beamed somewhere, they are sent there by means of electronic equipment. 

  • The interview was beamed live across America...

    这次访谈向全美国现场直播。

  • The live satellite broadcast was beamed into homes across America.

    此次卫星直播被发送到美国的千家万户。

  • ...a ship which is due to begin beaming radio broadcasts to South East Asia.

    预定将对东南亚进行无线电广播的船只

4. N-COUNT （光）束；（光）线 A beam of light is a line of light that shines from an object such as a lamp. 
5. VERB 照耀；照射 If something such as the sun or a lamp beams down, it sends light to a place and shines on it. 

  • A sharp white spotlight beamed down on a small stage...

    聚光灯的强烈白光照在小舞台上。

  • All you see of the outside world is the sunlight beaming through the cracks in the roof.

    而外面的世界，你所能看见的就只是透过房顶缝隙射进来的阳光。

6. N-COUNT 梁；横梁 A beam is a long thick bar of wood, metal, or concrete, especially one used to support the roof of a building. 

  • The ceilings are supported by oak beams.

    房顶用橡木横梁支撑。

7. N-SING （体操中的）平衡木 In gymnastics, the beam is a piece of equipment that consists of a narrow wooden bar on which gymnasts balance and perform movements. 
8. See also: off-beam;  
Noun

1. a signal transmitted along a narrow path; guides pilots in darkness or bad weather

2. long thick piece of wood or metal or concrete, etc., used in construction

3. a column of light (as from a beacon)

4. a group of nearly parallel lines of electromagnetic radiation

5. (nautical) breadth amidships

6. a gymnastic apparatus used by women gymnasts

Verb

1. smile radiantly; express joy through one's facial expression

2. emit light; be bright, as of the sun or a light;

  • "The sun shone bright that day"
  • "The fire beamed on their faces"

3. express with a beaming face or smile;

  • "he beamed his approval"

4. broadcast over the airwaves, as in radio or television;

  • "We cannot air this X-rated song"

5. especially of the complexion: show a strong bright color, such as red or pink;

  • "Her face glowed when she came out of the sauna"

6. experience a feeling of well-being or happiness, as from good health or an intense emotion;

  • "She was beaming with joy"
  • "Her face radiated with happiness"

体育

  • 1.肋骨
  • 2.船宽度
  • 3.导航
  • 4.深测
  • 5.平衡木

公路科技

<名>
  • 1.梁
  • 2.又称 :梁(girder)

力学

<名>
  • 1.梁

医学

  • 1.①束，柱：电磁辐射或粒子的单向或接近单向的发射；②梁，架(牙)：义齿或正牙器上的细长结构，用以支持及承受侧压力，其曲度随荷重而改变，如牙连接杆或正牙弓

土木工程

<名>
  • 1.梁

建筑

<名>
  • 1.袱
  • 2.梁

机械

<名>
  • 1.横梁,绕平衡支点刀刃运动的杠杆或梁体

水产

<名>
  • 1.桁杆, 拖网和张网的网口上部，用以支撑网口横向宽度的杆状部件。

水利

<名>
  • 1.梁, 由支座支承的主要承受弯矩和剪力的构件。

物理学

<名>
  • 1.光束［飞点］扫描, ［flying-spot］ scanning
  • 2.束助脱附, beam-assisted desorption
  • 3.束箔光谱学, beam-foil spectroscopy

船舶

<名>
  • 1.横梁, 设置在甲板板或平台板之下各肋位上的横向骨材。

计算机

  • 1.(电子，光)束；【修】定向
  • 2.光束，电子束，电子柱，波束，传送文件，致函，问候

通信

<名>
  • 1.射束, 能量集中的单向电磁波辐射、离子流或激光束。
1. He was suddenly caught in the full beam of a searchlight.
他突然被探照灯照中而暴露无遗。

来自《简明英汉词典》

2. His answer was on the beam.
他的答案正确。

来自《简明英汉词典》

3. I could see the beam of his flashlight waving around in the dark.
我可以看到他的手电筒光在黑暗中上下舞动。

来自《简明英汉词典》

4. I've come to realize what I said at the meeting was off beam.
我已经了解到我在会议中所讲的话是错误的。

来自《简明英汉词典》

5. Suddenly the beam of an electric torch was flashed into his face.
忽然一道手电光射到他脸上。

来自《简明英汉词典》

6. The gymnast performed on the balance beam with an easy grace.
体操运动员在平衡木上表演得优美自如。

来自《简明英汉词典》

7. The gymnast poised herself on the balance beam.
体操运动员在平衡木上保持平衡。

来自《现代英汉综合大词典》

8. The inexperienced pilot flew the plane badly; it was off the beam most of the time.
那位没有经验的飞行员驾驶技术很差，飞机大部分时间都偏离了无线电讯号指示的航道。

来自《简明英汉词典》

9. The load on this beam is more than it will bear.
横梁上的负荷比它能承受的要大得多。

来自《简明英汉词典》

10. The radar beam can track a number of targets almost simultaneously.
雷达波几乎可以同时追着多个目标。

来自《简明英汉词典》

11. The sun's gravitation was bending the beam of light.
太阳的引力使光束弯曲。

来自《简明英汉词典》

12. This beam bears the whole weight of the upper floor.
这根大梁承受了上面那一层的全部重量。

来自《简明英汉词典》

13. This strut braces the beam.
这根柱子支撑房梁。

来自《简明英汉词典》