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
I have to return this book to the library.
我得把书还回图书馆了。
Do as the Romans do(or Do as they do at Rome).
入乡要随俗。
Our friends Julie and Jack were there, too.
我们的朋友朱莉和杰克也去了。