Instantaneous velocity
[化] 瞬时速度
🧩 词语组成解析
🗣️ 情景例句
You can't expect to learn a foreign language in a week.
别指望一个星期就能学会一门外语。
There is honour among thieves.
盗亦有道。
Because of his revolutionary views, he spent many years in prison.
由于他的革命观点，他在监狱里度过了许多年。