隧道排气污染

Beijing to ban vehicles that fail to meet emission standards BEIJING - Beijing will ban gasoline-powered vehicles that fail to meet the National Emission Standard II from entering the city's Sixth Ring Road starting January 1 of next year to cut poll

发表于:2018-12-18 / 阅读(29) / 评论(0) 分类 英国学生科学读本

Tyler Environmental Prize Winners: Pollution's Effects Far-Reaching Nearly half of the worlds people use biomass fuels such as wood or dried dung to cook their food, and many cook indoors. Professor Kirk Smith of the University of California, Berkele

发表于:2019-01-13 / 阅读(46) / 评论(0) 分类 VOA标准英语2012年(五月)

Water pollution 水污染 A: Is the lake very polluted? A.这个湖污染严重吗? B: Well, I wouldn't swim in it- but the water is much cleaner than it was a few years ago. B:哦,我没法在里面游泳,但是比前几年清洁多了。 A: A

发表于:2019-01-14 / 阅读(40) / 评论(0) 分类 职业技术英语口语

KELLY MCEVERS, HOST: For millions of Americans, what they flush down the toilet goes into a septic tank. Septic tanks are convenient, but sometimes they pollute our waterways. Scientists are trying to track down that pollution with help from a federa

发表于:2019-01-17 / 阅读(48) / 评论(0) 分类 2017年NPR美国国家公共电台5月

今天我们要学的词是discharge。 Discharge有出院的意思。The H1N1 patient was discharged from the hospital after recovery, 这位H1N1甲型流感患者康复后出院。Former British Prime Minister Margaret Thatcher was discharged from

发表于:2019-02-03 / 阅读(73) / 评论(0) 分类 英语每日一词

Smog levels in Beijing have hit the 'Hazardous' mark again just 2 weeks after recording one of the worst cases of air pollution. The PM 2.5 monitoring systems in the Chinese capital showed readings of around 400, which is considered hazardous. That's

发表于:2019-02-21 / 阅读(50) / 评论(0) 分类 英闻天下