Mathematical operation
un. 数学运算\\n
🧩 词语组成解析
🗣️ 情景例句
Add a teaspoon of oil and one cup of milk.
加一茶匙油和一杯牛奶。
Please go over it and see if everything is in order.
请过目一下，看看是否一切妥当。
While the battered car was moving away, Roy stopped his bus and telephoned the police.
当那辆被撞坏的车开走后，罗伊停下车，给警察挂了电话。