| 释义 |
*key¹ /ki; kiː/
n
1 [C] something that you put into a lock in order to open a door, start a car etc 钥匙
2 [C] one of the things that you press to produce letters and numbers on a computer, or sounds on a piano 〔电脑或钢琴等键盘上的〕键
3 the key the most important thing that helps you to do something or helps something to happen 关键，最重要的事:
Preparation is the key to success. 准备是取得成功的关键。
4 [C] a set of musical notes that is based on one particular note 〔音乐的〕调，主音
5 [singular 单数] the part of a map or drawing, that explains what the signs on it mean 〔地图或图画上的〕符号说明
6 [C] a set of answers to an exercise or PUZZLE 〔练习或智力游戏的〕答案
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