Tribometry
摩擦力测量术
🗣️ 情景例句
And a cheeseburger, medium rare,
一份起士汉堡，五分熟
It takes two to make a quarrel.
要有两个人才吵得起来。
I received an invitation, but I did not accept it.
我收到-份请帖，但没有接受。