Detrition
n. 磨损\\n[医] 磨耗
🗣️ 情景例句
She is giving me piano lessons in exchange for her English classes.
我教她英语，她教我弹钢琴。
My father goes back to work in the evening.
我父亲傍晚回去工作了。
The one behind my mother?
在我妈妈后边的那个吗？