key

ki:
自考高考雅思 Collins 4

英文释义

n. metal device shaped in such a way that when it is inserted into the appropriate lock the lock's mechanism can be rotated
n. something crucial for explaining
n. pitch of the voice
n. any of 24 major or minor diatonic scales that provide the tonal framework for a piece of music

中文翻译

n. 钥匙, 键, 解答, 关键, 要害, 基调, 线索, 答案, 暗礁
vt. 调音, 锁上, 提供线索
vi. 使用钥匙
[计] 键, 密钥

4
Collins 星级
1
Oxford 级别
1,267
BNC 频率
1,093
使用频率

记忆技巧

key 这个词没有明显的词根词缀，但可以联想到它的多种用法，如“关键”（key point）等。

例句

1. She lost the key to her apartment.
她丢了公寓的钥匙。
2. This is the key to solving the problem.
这是解决问题的关键。
3. Can you please give me the key to your car?
你能把你的车钥匙给我吗？

学习工具