Tribometry
摩擦力测量术
🗣️ 情景例句
Please, use the phone.
请打吧。
What did you have for lunch?
你中午吃些什么？
Are you coming with us tomorrow ? Uncle Li said we could borrow his boat.
明天你和我们一起去吗？李叔叔说我们可以借用他的船。