十、以J开头的核心词汇
justify 证明。。。正当或有理,正确：Such behavior is justified on these grounds
十一、以K开头的核心词汇
knit 编织，编结：She’s knitting her husband a sweater
十二、以L开头的核心词汇
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
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