Lesson 38 acidic adj. 酸的,酸性的 alcohol n. 酒精 bactericidal adj. 杀菌的 carbonated adj. 碳化的,碳酸的 contamination n. 污染 disinfectant n. 消毒剂 ethanol n. 乙醇 intermittent adj. 间歇的,断断续续的 leakage n. 泄

发表于:2018-12-24 / 阅读(97) / 评论(0) 分类 新概念英语第四册单词MP3

Rachel: This tastes funny. Sergey: Its fine. Theres nothing wrong with it. Rachel: It tastes like its tainted or something. Dont you detect a funny metallic taste? Sergey: No, its perfectly fine. Just eat it. Rachel: I swear theres something off abou

发表于:2019-01-01 / 阅读(56) / 评论(0) 分类 地道美语播客

By Doug Levine Washington 05 March 2006 Few jazz vocalists have the courage to take on the Billie Holiday Songbook. Those songs evoke such deep feelings - many expressing heartache and others extreme

发表于:2019-01-10 / 阅读(141) / 评论(0) 分类 2006年VOA标准英语(三月)

By Phil Mercer Sydney 20 October 2009 Australia's worst oil slick since the mid-1980s is now tainting Indonesian waters. Fishermen in West Timor say contaminated fish are making villagers ill. Oil began leaking two months ago, following an accident

发表于:2019-01-14 / 阅读(58) / 评论(0) 分类 VOA标准英语2009年(十月)

West Virginia Chemical Spill Leaves Hundreds of Thousands Without Clean Water 美国西维州埃尔克河被污染,影响居民水源 For the fifth consecutive day, 300,000 residents in and around the U.S. city of Charleston, West Virginia, have be

发表于:2019-01-14 / 阅读(121) / 评论(0) 分类 VOA标准英语2014年(一月)

Obama Administration Proposes Plan to Cut Power Plant Pollution 奥巴马拟推更强法规限制电厂污染 The Obama administration is proposing stronger regulations to limit climate-changing emissions from U.S. power plants. The proposed pollutio

发表于:2019-01-14 / 阅读(79) / 评论(0) 分类 VOA标准英语2014年(六月)

China is taking action to curb plastic bag litter. Soon, free shopping bags will be a thing of the past. 中国正在采取行动减少遍地是塑料袋垃圾的现象。不久,免费提供购物袋的现象将会成为历史。 Starting June 1, s

发表于:2019-01-19 / 阅读(76) / 评论(0) 分类 VOA双语新闻 2008年1月

This is Scientific American 60 seconds science. Im S. Buschwik. Got a minute? During a physical exam, doctors pick up a lot from their patients including patients bacteria. To keep infections from spreading, physicians try to always wash their hands

发表于:2019-01-20 / 阅读(70) / 评论(0) 分类 2014年Scientific American(三)月

The True Bottom of the Food Chain Is Plenty Polluted食物链最底层遭污染的深海食物 The Mariana Trench is the deepest spot in the worlds oceans. Only three humans have ventured into the trench in submersibles. But plenty of our pollution h

发表于:2019-01-20 / 阅读(87) / 评论(0) 分类 2017年Scientific American(六)月

Organic Pollutant s Yes,eating organic foods is a great way to reduce the amount of pollutant s in your body, but you cant entirely escape pollution, no matter where you live. Persistent organic pollutant s , or POPs, are everywherein our food, soil,

发表于:2019-01-26 / 阅读(61) / 评论(0) 分类 英语听力文摘 English Digest

二手空气 Big cities, with all their pollution , have an effect on trees No doubt. In the countryside. Say what? Big cities affect the trees in the countryside? You got it! According to a study conducted by Jillian Gregg, who now works at the EPAs

发表于:2019-02-16 / 阅读(47) / 评论(0) 分类 英语听力文摘 English Digest

According to a report released by the China Geological Survey (CGS), the country's largest geoscience agency, 7.6 million hectares of arable land - roughly the size of Ireland - have been affected by lead and other heavy metals. Nearly one third of t

发表于:2019-02-21 / 阅读(66) / 评论(0) 分类 2015CRI中国国际广播电台

今天我们要学的词是track down。 Track down, 追捕、追寻。 The police are trying to track down the suspect, 警方试图寻找嫌疑犯。最近有一名美国俄亥俄州的农场主自杀前把自己饲养的猛兽放了出来。 Ohio

发表于:2019-02-26 / 阅读(91) / 评论(0) 分类 英语单词荟萃