rub /rʌb/ vi. & vt. 1. 擦,摩擦:rub away 擦掉; rub off 擦去;rub the cream on the skin 在皮肤上擦雪花膏;rub the glasses with a cloth用布擦玻璃杯These words won’t rub out. 这些字擦不掉。2. 用于习语 rub it in重提错事:I know I shouldn’t have paid that much for the poster -- don’t rub it in, OK?我知道我不应该支付那么多钱出海报,不要再说了,好吗?
rubber /ˈrʌbə/ I. n. 1.[c]橡皮:May I use your rubber?我可以用一下你的橡皮吗? 2.[u]橡胶: Plastics and rubber never rot. 塑料和橡胶从不腐烂。 3.(pl.) 胶鞋:We wear rubbers on our feet when it rains.下雨时我们穿胶鞋。‖II. adj. 橡胶的:rubber trees 橡胶树;rubber bands 橡皮带;the rubber plantations of Malaysia 马来西亚的橡胶园