Abrasives
n. （研）磨料, 磨蚀剂( abrasive的复数形式 ); <地质>磨蚀岩屑
🗣️ 情景例句
The school has a good reputation.
这所学校名誉很好。
Some students quit school due to poverty.
一些学生因贫困而辍学。
He has eight lawyer assistants to help him and examines every single letter in detail.
他有8位律师作他的助手协助工作，每封信都详细批阅。