Arithmetical operation
[经] 数学运算
🧩 词语组成解析
a. 算术的, 算术上的\\n[机] 算术的
🗣️ 情景例句
Thank you. Just put them on my desk.
谢谢。 把它们放在我桌上。
You had better leave right now.
现在你最好立刻回去。
Yes?What's the letter.
怎么了？怎么回事？