*rub·ber¹/`rʌbə; ˈrʌbə/ n 1 [U] a substance used for making tyres, boots etc that is made from chemicals or the juice of tropical trees 合成橡胶; 橡胶: The tyres were smooth where the rubber had completely worn away. 轮胎上橡胶全磨光的地方很平滑。 2 [C] BrE a thing you use to remove pencil marks from paper 【英】 橡皮擦; ERASER especially AmE 【尤美】 3 [C] AmE informal a CONDOM 【美，非正式】 （男用）避孕套，保险套