lab experiment 实验

lab hours 实验室开门时间

lab report 实验报告

laboratory assistant 实验室助理

laboratory manual 实验室说明书

laundry detergent 洗衣粉

law school 法学院

lay off 裁员，解雇

leave…up to somebody 将……留给某人来做决定

leave…alone 先将……放在一边

leave for 去……地方

leave no stone unturned 用尽一切手段，千方百计

leave well enough alone 差不多就不要再弄了，免得画蛇添足

leave……around 把……乱放，乱扔

lecture hall 讲座大厅

left over 剩下

let ……go 让……走

let oneself in 自己进房间

let someone off 让某人下车

let out 让……走

let someone out early 提前下课

let up 停止，中止

letter of recommendation 推荐信

letter of reference 推荐信

library card 借书证

lift the ban 取消禁止

light bulb 灯泡

light lunch 很随便的午饭

light schedule 轻松的日程

light up 使……亮起来

line by line 一行一行地；慢慢地；逐渐地

line up 排队

little by little 一点儿一点儿地；逐渐地；慢慢地

living room 起居室，客厅

lock up 锁上

locker key 更衣室的钥匙

locker room 更衣室

long distance call 长途电话

look away from 从……往别处看

look for a needle in a hay stack 大海捞针

look forward to 盼望

look into 调查

look on the bright sides of things 看事物的光明面

look on with 和……合看

look out 小心

look over 检查

look sharp 快，赶紧

look up 查字典

look up to 尊敬

look well 身体看上去不错

look who's talking 也不看看你是谁

lose count 数不清了；记不清了

lose some weight 减肥

lose track of 丢了……踪迹；没有注意……，忘了

lost-and-found 失物招领

lost cause 注定要失败的事业

lost-and-found box 失物招领处

lucky you 你真幸运

lunch hour 午饭时间