Mathematical operation
un. 数学运算\\n
🧩 词语组成解析
🗣️ 情景例句
Bye.
再见。
Who makes everything right must rise early.
要把事事都做好，必须坚持起得早。
Get him his change! It's easy to say, sir; but look at the bill yourself.
给他找钱！先生，说的倒轻巧，您自己来看看这张票子吧。