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
Sorry, I've already got plans.
对不起, 我有事。
We assume that damage occurred while the consignment was in your care.
我们认为货物是在你方保管时受到损害的。
If you want to send a letter to an office abroad that is in a different time zone, you can send a fax, and it will be received even though the office is not open.