Micromechanics
[化] 微观力学
🗣️ 情景例句
Sorry I'm late.
很抱歉我迟到了。
You have to be there half an hour before departure time.
你要在起飞前半小时到那里。
I was able to tell him that he had pulled out the wrong tooth.
我总算有可能告诉他，他拔错了牙。