1.
erosion by friction.
通过磨擦作用擦掉或消耗掉。
2.
A rubbing away or wearing down by friction.
摩擦，磨损，消磨通过磨擦作用擦掉或消耗掉
3.
clean sth from/off sth ;remove sth from sth by brushing,scraping,wiping,etc
从某物上将他物刷掉、刮掉、擦掉等
4.
To wipe out, rub off, or erase(writing or other markings).
擦掉,磨掉或刷掉(字迹或其他标记)
5.
Please mop up the mess.
请擦掉这堆脏东西。
6.
He obliterates her signature.
他擦掉了她的签名。
7.
The paint won't wipe off easily.
这油漆不容易擦掉。
8.
The teacher rubbed the exercises off.
老师把练习擦掉了。
9.
I couldn't bring myself to clean them for days.
好几天，我不愿擦掉。
10.
an implement used to erase something.
用来擦掉某物的工具。
11.
She dusted the table.
她擦掉桌上的灰尘。
12.
Pencil rubs out easily.
铅笔写的容易擦掉.
13.
He rubbed out the lines and remade them.
他把线擦掉，又划了几条。
14.
She scraped the rust off the kitchen knife.
她擦掉了菜刀上的锈。
15.
He brushed the cigarette ash from the table.
他擦掉桌子上的烟灰。
16.
She removed her make-up with a tissue.
她用纸巾擦掉脂粉.
17.
Shoot! I forget to take off my nail polished .
糟糕！ 我忘了擦掉指甲油。
18.
Shoot!I forget to take off my nail polish.
糟糕！我忘了擦掉指甲油。