Reynolds number
[化] 雷诺数
🧩 词语组成解析
n. 雷诺兹（姓氏）
🗣️ 情景例句
to buy a new house.
来买一栋新房子。
I will have done it by the time you come back.
在你回来之前，我会做完它。[将来完成时，表示将完成…，会做完…]
Police are wary of itinerants who cannot be traced to a recognized camp boundary or to four walls.
警察则对那些查不出有固定营地或住处的游荡者保持警惕。