Mechanical friction
[化] 机械摩擦
🧩 词语组成解析
🗣️ 情景例句
You graduated from engineering school.
你是从工学院毕业的。
The percentage of the pay raise equals the increase in prices.
薪水的提高比率和物价的上升一致。
Of course, everyone likes presents.
当然，每一个人都喜欢礼物。