Mathematical expression
[计] 数学表达式
🧩 词语组成解析
🗣️ 情景例句
Now let's discuss the terms of payment.
现在来讨论付款条件。
He came at a bad time.
他来的不是时候。
It has to be tall because it is like a giant block and tackle,
井架必须很高，因为它像一个巨型滑轮组。