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
Many students are working at part time jobs.
许多学生兼职打工。
Make your enemy your friend.
要化敌为友。
Good morning. Could I have some bottles of milk, please?
早上好。我想买几瓶牛奶？