Reynold's number
[医] 雷诺氏数(液体流速率)
🧩 词语组成解析
🗣️ 情景例句
I came to spend some time with my favorite nephew.
我来是为了和我心爱的侄儿相聚一些时间。
What do you do at work?
你上班干些什么？
We stopped in Moscow on the way, but only for an hour or two, so there was no time to go into the centre of the city.
我们在莫斯科停了一下，但只停了一两个小时，所以没有时间去市中心玩。