🧩 词语组成解析
key
[kiː]
n. 钥匙;（打字机等的）键;关键，线索，秘诀;（音乐的）调;
vt. 键入;锁上;调节…的音调;提供线索;
vi. 使用钥匙;
adj. 关键的;主要的;
🗣️ 情景例句
Have a nice evening.
祝你们今晚愉快。
How much do you charge for sending a cable transfer to London?
发一张到伦敦的电汇，要收费多少？
'I don't think the windows need cleaning at this time of the night.
“我看不必在夜里这个时候擦窗子吧。