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
He was my roommate in college.
他是我大学时的室友。
How much does that typewriter weigh?
那台打字机重多少?
since her parents had impressed upon her that it would be unforgivable to miss it and cause the friends with whom she was going to stay to make two journeys to meet her.