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
He worked his way through college.
他半工半读念完大学。
It doesn't make any difference.
都一样。
In the first place, any scientific study requires that there be no preferential weighting of one or another of the items in the series it selects for its consideration.