Rayleigh number
[化] 瑞利数
🧩 词语组成解析
n. 瑞利（姓氏）；雷利（极光和夜天光的发光强度的单位）
🗣️ 情景例句
Would you like to call home?
你给家里挂个电话怎么样？
A ragged coat may cover an honest man.
不能以衣著取人。
So I don't think she's left the college. And her papers and books are all over the desk.
所以我认为她还在学校。而且她的作业和课本都放在桌子上。