Reynold's number
[医] 雷诺氏数(液体流速率)
🧩 词语组成解析
🗣️ 情景例句
I think the building just needs a good cleaning.
我想那座建筑只需要好好地打扫一下。
A journey of a thousand miles begains with a single step.
千里之行，始于足下。
Not in the USA.
在美国不全是！