单词详解 

1. n.

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

She has left her keys at home and can't get her bag. 她把钥匙丢在家里了，她的包拿不着了。

B. （乐曲的）调，口吻，基调 (pitch of the voice)

This piece changed key many times. 这首曲子有多处变调。

C. 题解，答案 (something crucial for explaining)

He didn’t know the key to the puzzle. 他不知道这个谜语的答案。

2. vt.

A. 用键盘输入 (input with a keyboard)

The typist keyed this sentence three times, and it's still wrong!

打字员把这个句子输入了三次，可是仍然不对。

B. 调音；使某事物与他事物相似 [相适应] (regulate the musical pitch of.)

my job is to key the violins regularly 我的工作是经常给小提琴调音。

相关词组

1. key point 关键点

I suppose choosing the right subject is the key point. 我估计选择合适的专业是个关键。

2. key factor 关键因素；主要因素

The key factor affecting the trusts is the government. 影响信任感的主要因素是政府；

3. key in 键入

You can key in the number from the keyboard. 你可以在键盘上输入数字。

4. key figure 关键人物

  The guy is a key figure in the investigation. 那家伙是这次调查工作的关键人物。

相关单词

名词复数：keys

现在分词：keying

过去式：keyed

过去分词：keyed

同义词：pivotal