Tribologist
n. 摩擦学家 (tribology的变形)
🗣️ 情景例句
I know a great place for-
我知道一个好地方干-
There's no such thing as a free lunch.
天下没有白吃的午餐。
A little. He fell and hit his leg on a table.But he's OK now.
伤了点儿。他跌倒了，腿撞在桌子上。但是现在已经好了。