Instantaneous velocity
[化] 瞬时速度
🧩 词语组成解析
🗣️ 情景例句
Nurse Baker, would you come in, please?
Baker护士 请你过来一下，好吗？
Thank you. It was very kind of you.
谢谢，您太好了。
When they were very young, Mr. Green sometimes dressed up in a red coat. But he doesn't do that now.
在他们很小时，有时候格林先生穿上一件红色的外套。但他现在不那么做了。