lap /læp/ I. n. ［c］ 1.膝部，大腿上：The mother had her baby on her lap. 母亲把婴孩放在膝上。2. (跑道的)一圈: in/on the first lap 在第一圈 She began to pass the other runners on the last lap. 她在最后一圈开始超过其他赛跑者。‖II. vt.& vi. 1. 领先一圈，跑完一圈：She lapped all of her rivals in the 3,000 metres.她在3,000米赛跑中领先所有对手。James lapped in two minutes.詹姆斯在两分钟内跑完一圈。2. 用于短语动词lap up照单全收；欣然接受：Their audience will lap up whatever they throw at them. 不管是什么节目，他们的观众都照单全收。They just haven't been to school before. They're so eager to learn, they lap it up. 他们之前从未上过学。他们求学若渴。
laptop n. [c] 膝上型电脑：A laptop would be really useful for when I’m working on the train.我在火车上工作时，便携式电脑真的很有用。
