soap /səup/ I. n. ［u］肥皂：a cake of soap 一块肥皂 You need soap to get those dirty hands clean. 你需要用肥皂把你的脏手洗干净。‖II. vt. 用肥皂擦洗：soap the clothes 往衣服上擦肥皂；soap powder 肥皂粉