1 . delete
rub v. 1. 擦,摩擦 2. 擦亮delete vt. 刪除,擦掉obsolete a. 廢棄的,過時的
2 . rub out
ring off 掛斷電話rub out 擦掉,拭去rule out 排斥
3 . rub off
rub down 用力擦遍;按摩rub off 擦掉,磨去rub out 擦掉,拭去;(俚)殺死
4 . wipe
wing-shaped forceps 翼狀鉗wipe 擦,擦掉wiper ①擦拭器 ②滑動片 ③接觸電刷,刷子.