Nonabrasive
未磨损的；防磨损的, 抗磨损的
🗣️ 情景例句
He's not making much progress with his English.
他的英语进步不大。
I told him to stay for lunch.
我告诉他留下来吃午餐。
Yes, Mom! I'll do it right away.
听到了，妈妈！我这就去。