背景污染;本底污染

SCIENCE IN THE NEWS - Findings About Air Pollution and Heart

SCIENCE IN THE NEWS - Findings About Air Pollution and Heart Disease / Fossils from the 'Missing Years' in Africa / U.S. Bans... By Caty Weaver Broadcast: Tuesday, January 13, 2004 (THEME) VOICE ONE:

发表于:2018-12-07 / 阅读(64) / 评论(0)

科技之光

Pollution Rule Eased for Older Power Stations And Factories

By Caty Weaver Broadcast: September 5, 2003 This is Bob Doughty with the VOA Special English Environment Report. The administration of President Bush has eased an air pollution rule for about seventee

发表于:2018-12-15 / 阅读(91) / 评论(0)

VOA2003（下）-环境与健康

美国国家公共电台 NPR Congress Stalled On Bills To Tighten Gun Background Check System

ARI SHAPIRO, HOST: The debate in Washington over what to do about mass shootings is following a familiar pattern. Democrats and Republicans both say they want to end gun violence, but they disagree on how to do that. On Capitol Hill, lawmakers are ho

发表于:2018-12-17 / 阅读(63) / 评论(0)

2018年NPR美国国家公共电台3月

蒋健棠英语实用句子(52):He has a background in classical music.

He has a background in classical music. 他有古典音乐的背景。 have a background in something就是指有某方面的背景。 I have a background in special education.我有特殊教育的背景。

发表于:2018-12-25 / 阅读(79) / 评论(0)

蒋健棠英语实用句子

第49期: cake, abate, dagger, background, dab

说一口流利的英语，从简单的单词开始。听听，读读，背背，今天你的词汇量又增加了5个。单词/词义中英例句单词听读 cake [ keik ] Mud caked on his shoes. v. 结成一块泥块粘在他的鞋上。 abate [ E5beit ] The ship sailed when the storm abated. v. 减弱，减轻

发表于:2018-12-30 / 阅读(128) / 评论(0)

每日攻克5词

SCIENCE IN THE NEWS - Air Pollution Harms Young Lungs / A Le

SCIENCE IN THE NEWS - Air Pollution Harms Young Lungs / A Legal Settlement Over Teflon By Broadcast: Tuesday, October 05, 2004 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I

发表于:2019-01-02 / 阅读(188) / 评论(0)

科技之光

Chance of showers but only moderate pollution for Olympic closing ceremony

LONDON, Aug. 10 (Xinhua) -- The weather for the closing ceremony of the London Olympic Games this Sunday is likely to be in the middle of a spike in air pollution, the British government air pollution forecast predicted on Friday. With just two days

发表于:2019-01-08 / 阅读(82) / 评论(0)

英语新闻

UNIT 8 Save Our World Lesson 58: Stop Pollution!

[ti:UNIT 8 Save Our World Lesson 58: Stop Pollution!] [0:00.317]UNIT 8 第八单元 [0:02.091]Save Our World 拯救地球 [0:04.878]Lesson 58: 第58课： [0:06.905]Stop Pollution! 禁止污染！ [0:09.185]THINK ABOUT IT! [0:10.768]What can you do t

发表于:2019-01-09 / 阅读(161) / 评论(0)

河北教育初中英语（初中起点）八年级下册

纯正英语一分钟-pollution

I hate pollution. It makes me really angry. I think pollution is greed. People dont care about the environment so they pollute the air just to make lots of money. Big companies are the worst. They pretend theyre not polluting. They have the money to

发表于:2019-01-21 / 阅读(150) / 评论(0)

纯正英语一分钟

高温天气下树木竟然会污染环境！

高温天气下树木竟然会污染环境！ Normally， trees are the best defence against pollution； but when it's too hot outside， the trees' own self－defence mechanism may actually make things worse。正常情况下，树木是抵御污染

发表于:2019-02-01 / 阅读(172) / 评论(0)

阅读空间

每日一词【514】pollution：污染

今天我们要学的词是pollution。 Pollution, 是污染的意思。 Air pollution, 空气污染。 Water pollution, 水污染。 Beijing's chronic pollution has been one of the biggest headaches for the Olympic Games organizers, 北京长期的空

发表于:2019-02-04 / 阅读(77) / 评论(0)

英语每日一词

Plastic pollution

Plastic Pollution NB: This is not an accurate word-for-word transcript Dan: Hello and welcome 6 Minute English from the BBC. Im Dan Walker Smith and today Im joined by Kate. Kate: Hello Dan. Dan: Now today Kate and I are talking about pollution. Kate

发表于:2019-02-04 / 阅读(104) / 评论(0)

六分钟英语

VOA常速英语2008年-Danube Pollution Threatens Drinking Water for M

By Stefan Bos Budapest 15 April 2008 The European Union and several key Danube organizations are urging countries along the river Danube to prevent irreversible damage to the waterway, warning the growing pollution could endanger drinking water for s

发表于:2019-02-04 / 阅读(61) / 评论(0)

VOA常速英语2008年（四月）

Official cars ordered off roads during hazardous pollution

BEIJING, Jan. 29 (Xinhua) -- Thirty percent of official cars in Beijing should not be used when there is extremely bad pollution, traffic authorities confirmed Tuesday. The order was implemented on Monday evening to help combat the fourth round of he

发表于:2019-02-04 / 阅读(196) / 评论(0)

英语新闻

Beijing unveils new steps to curb air pollution

BEIJING, Jan. 22 (Xinhua) -- Beijing will strengthen its efforts to treat PM2.5 and slash the density of major air pollutants by 2 percent this year, the municipality's acting mayor said Tuesday. The capital will take 180,000 old vehicles off the roa

发表于:2019-02-04 / 阅读(86) / 评论(0)

英语新闻

Beijing plans fewer vehicles on roads during heavy air pollution

BEIJING, Jan. 19 (Xinhua) -- The number of vehicles on Beijing's roads could be cut on days when the city suffers from heavy air pollution, according to a new regulation released for comments on Saturday. According to the Beijing Municipal Air Pollut

发表于:2019-02-04 / 阅读(82) / 评论(0)

英语新闻

60,000 affected by E China water pollution

NANCHANG, Feb. 25 (Xinhua) -- Tap water for 60,000 people was cut off Monday due to the pollution of a water source in east China's Jiangxi Province, government sources said. Around 10 a.m. Monday, an oily substance was seen floating near a water int

发表于:2019-02-04 / 阅读(79) / 评论(0)

英语新闻

每日一词【375】background check：背景调查

今天我们要学的词是background check。 Background check, 是背景调查的意思。美国总统布什最近签署了一项枪支管制法案。The legislation aims to prevent criminals and the mentally ill from gaining access to dangerous we

发表于:2019-02-07 / 阅读(68) / 评论(0)

英语每日一词

China vows more transparency in pollution control

BEIJING, April 19 (Xinhua) -- China's environmental watchdog said on Thursday that it will work to promote the prompt disclosure of air quality reports and monitoring results for other types of pollution. The disclosure of information on major pollut

发表于:2019-02-09 / 阅读(94) / 评论(0)

英语新闻

学个词Learn a Word 第375期 Background check

发表于:2019-02-16 / 阅读(58) / 评论(0)

英语单词荟萃

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approximate value measure

arrow-back Windsor chair

articles of agreement

atomic composition

augmented poeration code