n. 橡胶;橡皮;决胜局;避孕套;
adj. 橡胶制成的;
vt. 涂橡胶于;用橡胶制造;
vi. 扭转脖子看;好奇地引颈而望;
rubb=rub相互磨擦+er名词后缀 → 能相互摩擦的 → 橡皮
🗣️ 情景例句
I always mix up these two words.
我老是把这两个词搞混。
I don't know what his native language is.
我不知道他的母语是什么。
In their efforts to persuade us to buy this or that product, advertisers have made a close study of human nature and have classified all our little weaknesses.