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key

key
[英] [ki:] [美] [ki] 生词本

n.

vt.

vi.

adj.

  • 易混淆的单词：Key  

  • 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. N-COUNT 钥匙 A key is a specially shaped piece of metal that you place in a lock and turn in order to open or lock a door, or to start or stop the engine of a vehicle. 

  • They put the key in the door and entered...

    他们用钥匙打开门进去了。

  • She reached for her coat and car keys.

    她伸手拿外套和汽车钥匙。

2. N-COUNT （计算机或打字机的）键 The keys on a computer keyboard or typewriter are the buttons that you press in order to operate it. 
3. N-COUNT （钢琴或风琴的）键 The keys of a piano or organ are the long narrow pieces of wood or plastic that you press in order to play it. 
4. N-VAR （音乐的）调 In music, a key is a scale of musical notes that starts on one specific note. 

  • ...the key of A minor.

    A小调

5. N-COUNT （地图、图解或科技书籍的）略语表，符号表，凡例 The key on a map or diagram or in a technical book is a list of the symbols or abbreviations used and their meanings. 

  • You will find a key at the front of the book.

    你会在书的前面找到略语表。

6. ADJ 最重要的；关键的 The key person or thing in a group is the most important one. 

  • He is expected to be the key witness at the trial...

    他将成为审判的关键证人。

  • Education is likely to be a key issue in the next election.

    在下届选举中教育可能成为最重要的一个议题。

7. N-COUNT 关键；要诀 The key to a desirable situation or result is the way in which it can be achieved. 

  • The key to success is to be ready from the start...

    成功的关键在于从一开始就要准备充分。

  • Diet and relaxation are two important keys to good health.

    限制饮食和放松身心是保持健康的两个要诀。

8. See also: master key;   under lock and key→see: lock; 
相关词组：
key in 
Noun

1. metal device shaped in such a way that when it is inserted into the appropriate lock the lock's mechanism can be rotated

2. something crucial for explaining;

  • "the key to development is economic integration"

3. pitch of the voice;

  • "he spoke in a low key"

4. any of 24 major or minor diatonic scales that provide the tonal framework for a piece of music

5. a kilogram of a narcotic drug;

  • "they were carrying two keys of heroin"

6. a winged often one-seed indehiscent fruit as of the ash or elm or maple

7. a coral reef off the southern coast of Florida

8. (basketball) a space (including the foul line) in front of the basket at each end of a basketball court; usually painted a different color from the rest of the court;

  • "he hit a jump shot from the top of the key"
  • "he dominates play in the paint"

9. a list of answers to a test;

  • "some students had stolen the key to the final exam"

10. a list of words or phrases that explain symbols or abbreviations

11. a generic term for any device whose possession entitles the holder to a means of access;

  • "a safe-deposit box usually requires two keys to open it"

12. mechanical device used to wind another device that is driven by a spring (as a clock)

13. the central building block at the top of an arch or vault

14. a lever that actuates a mechanism when depressed

Verb

1. identify as in botany or biology, for example

2. provide with a key;

  • "We were keyed after the locks were changed in the building"

3. vandalize a car by scratching the sides with a key;

  • "His new Mercedes was keyed last night in the parking lot"

4. regulate the musical pitch of

5. harmonize with or adjust to;

  • "key one's actions to the voters' prevailing attitude"
Adjective

1. serving as an essential component;

  • "a cardinal rule"
  • "the central cause of the problem"
  • "an example that was fundamental to the argument"
  • "computers are fundamental to modern industrial structure"

2. effective; producing a desired effect;

  • "the operative word"

体育

  • 1.罚球区
  • 2.关键队员
  • 3.核心队员
  • 4.关键一着
  • 5.看守
  • 6.发动

动物学

<名>
  • 1.检索［表］

医学

  • 1.①钥匙；②电钥：接通或切断电路的装置；引伸为揭示特定事物的工具

昆虫学

<名>
  • 1.检索表
  • 2.分類檢索表

林学

<名>
  • 1.键

水利

<名>
  • 1.键槽
  • 2.为保证施工横缝、纵缝的缝面在灌浆后能形成整体或不灌浆也能有效地传递剪力而在缝面上设置的三角形或梯形的槽。

物理学

<名>
  • 1.电键

计算机

  • 1.键码 密钥；(操作)键；键标，关键字[码]；【修】关键[K]
<名>
  • 1.［键］码

铁道

<名>
  • 1.电键
1. A key is the part of a pianoforte that you touch to make music.
琴键是钢琴上用手指敲击的部件，它能使钢琴发出乐音。

来自《简明英汉词典》

2. A key was enclosed in the envelope.
信封中装有一把钥匙。

来自《简明英汉词典》

3. At a key moment in his life, he made a judicious investment that was the foundation.
在他一生的关键时刻，他做出了明智的投资，这便成了他以后富裕的基础。

来自《简明英汉词典》

4. Can you duplicate the key for me?
你能把这把钥匙再给我配一把吗？

来自《简明英汉词典》

5. Diligence is the key to success.
勤奋是成功的秘诀。

来自《简明英汉词典》

6. Gibraltar is the key to the Mediterranean.
直布罗陀是地中海的要冲。

来自《简明英汉词典》

7. He cried that he had found the key.
他大声地叫喊找到了钥匙。

来自《简明英汉词典》

8. He dived his hand into his pocket in an attempt to find the key.
他把手伸到口袋里摸，试图找到那把钥匙。

来自《简明英汉词典》

9. He had done most of the writing and rewriting himself, reworking key passages again and again.
大部分的写作与修改工作都是他自己完成的，并一再修改了主要的段落。

来自《现代英汉综合大词典》

10. He made several key tackles.
他作了几次关键性的阻截。

来自《简明英汉词典》

11. He threw the key at me.
他把钥匙丢给我。

来自《简明英汉词典》

12. He turned the ignition key.
他转动钥匙点火。

来自《简明英汉词典》

13. He was asked to hand on the key to a secret code to the guerrillas.
他们让他把一份密码送给游击队。

来自《简明英汉词典》

14. He worked in the key and opened the door of the office.
他插进钥匙把办公室的门打开了。

来自《简明英汉词典》

15. Her speech was all in the same key.
她的演说自始至终是一个基调。

来自《简明英汉词典》

16. His awkwardness made him fumble with the key.
由于尴尬不安，他拿钥匙开锁时显得笨手笨脚。

来自《简明英汉词典》

17. I don't know the key to the puzzle.
我不知道这个谜语的答案。

来自《简明英汉词典》

18. I have mislaid my key to the door.
我不知道把门钥匙放到哪里了。

来自《现代英汉综合大词典》

19. I looked everywhere for my lost key.
我到处寻找我丢失的钥匙。

来自《现代英汉综合大词典》

20. I must have left my key in the ignition.
我肯定是把车钥匙忘在点火开关上了。

来自《简明英汉词典》