Emergency key
[计] 应急电键
🧩 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
Thanks, Grandpa. Please sit down.
谢谢你， 爷爷。请坐。
A fool always comes short of his reckoning.
愚人常缺算计。
Of course we can. Our job is playing all kinds of music.
当然能啦！我们的本行就是演奏各种音乐。