J

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

　　K

　　knit 编织，编结：Shes 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

　　lend 借给，贷款 Could you lend me your car

　　length 长，长度 What is the length of the street?

　　liable 会的，有倾向的 We are all liable to make mistakes

　　liberal 慷慨的，大方的 a liberal donation

　　light 光，光亮，光线 The house blazed with light

　　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