/klɑːs/，/kliːn/，读音相同，都含有/kl/音。
I've joined an aerobics class.我参加了有氧健身班。Paula is the star of the class.葆拉是班里的尖子。The class burst out laughing.全班爆发出笑声。He's the slowest in the class.他是班里最迟钝的。Scrub the vegetables clean.把蔬菜刷洗干净。Her clothes were clean but dowdy.她的衣服干净却落后于时尚了。She licked the spoon clean.她把调羹舔得干干净净。
