🧩 词语组成解析
math
[mæθ]
n. 数学（等于mathematics）;
🗣️ 情景例句
It was for a good reason.
你今天早走是有原因的。
He that gains well and spends well needs no account book.
收支正当，无须记帐。
Fares, please!
请买票！