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She still has jet lag. 她仍然有（坐飞机后因时差产生的）疲劳烦躁感。 jet指喷气式飞机，lag有时间滞后的意思，jet lag指坐飞机后因时差引起的不舒适感觉。jet lag 是不可数名词。
蒋健棠英语实用句子
Grammar Girl here. Todays topic is cement versus concrete. Guest writer Sal Glynn writes: Accuracy is important. You might think concrete and cement are interchangeable, but you'll quickly find that you're mistaken when some guy at Home Depot rolls h
英语语法 Grammar Girl
54 时差对大脑的影响 DATE=6-6-01 TITLE=SCIENCE REPORT- Jet Lag and the Brain BYLINE=Nancy Steinbach (Start at 59
科技之光
By Ben Gilbert Baghdad 11 January 2006 An Iraqi mason works on a wall surrounding a new school on the outskirts of Basra (file picture) Iraq has been hit with a construction boom - in no small part du
2006年VOA标准英语（一月）
Cement is a major component of concrete, the world's most widely used man-made material, an integral part of roads, bridges and buildings. But making cement requires heating limestone and other materials to very high temperatures, a process that rele
VOA标准英语2010年(一月)
Helen : This is Real English from BBC Learning English. Im Helen. ZO : 大家好，欢迎收听今天的地道英语，我是刘佳。 Helen : Today were going to look at words and phrases that have recently become part of the English language. ZO : 要掌握地道的英语，重
地道英语在线听