J

　　justify 证明···正当或有理,正确：Such behavior is justified on these grounds

　　K

　　knit 编织，编结：She’s knitting her husband a sweater

　　L

　　label 标签，标记，标号：put labels on your luggage

　　lag 走得慢，落后，滞留：Some of the runners began to lag

　　latent 潜在的，隐伏的，不易觉察的：a latent infection

　　leak 漏洞，裂缝：The pipe has got a leak

　　lean 斜，倾斜 the Leaning tower of Pisa

　　liable 会……的，有……倾向的 We are all liable to make mistakes

　　liberal 慷慨的，大方的 a liberal donation

　　limp 软的，松沓的 a young man in a limp gray sweater

　　linger逗留，徘徊 The children lingered at the zoo until closing time

　　long 长的，远的，久的 a long journey

　　lubricate 使润滑 lubricate the skin with cold cream

　　lump块，小方块 a lump of coal