leak
leak/li:k/ I.n.1.［c］漏洞：patch(plug up) a leak补（堵）漏洞2.［u］泄漏，漏出量(可带不定冠词): spring a leak出现漏洞，开始漏水；cause a considerable leak造成相当大的漏洞；a leak o···
lean
lean/li:n/ (leant或leaned, leant或leaned)vi.&vt.1.倾斜：The column leans to north.柱子向北倾斜。2. (使)倚，靠：lean against the wall倚着墙；lean a ladder against a wall把梯子靠···
leap
leap/li:p/ I.vi.&vt.(leapt or leaped /lept/) 1.跳，跳跃：leap over a fence跳出篱笆Look before you leap.［谚］三思而后行。2.vt.跳过，使…跳过：leap a wall跳过墙；leap a horse ov···
learn/learned/learning
learn/lə:n/vt.&vi.(learned, learned或learnt, learnt) 1.学习（作vt.时跟名/代词、不定式和从句）：I learned a lot from them.我向他们学了很多东西。Much can be learned from a good ···
lease
lease/li:s/ I.n.［c］租约，租契：extend the lease for ten years把租借期限延长10年；sign the lease在租约上签字His lease expires on May 31st.他的租契于5月31日期满。［考句］The lease ···
least
least/li:st/ I.adj.最少的；最小的：(修饰不可数名词)：He has the least money of us.我们中间他的钱最少。There isn’t the least wind today.今天一丝风也没有。‖II.n.1.最少，最小：A has···
leather
leather/ˈleðə/n.［c］皮革：genuine leather真皮；heavy leather原革；imitation leather人造革；漆布；shoes made of leather皮鞋
leave
leave/li:v/ I.vt.&vi.(left, left) 1.离开：When did you leave the army?你什么时候离开部队的? 2.留下，剩下：She asked me to leave my address.她让我留下我的地址。I’ve left my key···
lecture
lecture/ˈlektʃə/ I.n.［c］1.演讲，讲座：attend a lecture听演讲(讲课); a lecture on/about American History关于美国历史的讲座2.训斥：give sb. a moral lecture一本正经地向某人说教一···
