A further problem is that setting day-to-day limits is a local matter. 另一个问题是,每日的平均浓度限值是由当地定制的。 So, not only do they rarely take long-term risk into account, they also vary from place to place. 所以,这

发表于:2018-12-05 / 阅读(39) / 评论(0) 分类 经济学人科技系列

VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Bob Doughty. VOICE TWO: Crabeater seals lying on the ice in Paradise Bay, Antarctica, in a 2005 photo And I'm Faith Lapidus. This week, an American study shows a link between air pol

发表于:2018-12-07 / 阅读(51) / 评论(0) 分类 VOA慢速英语2007年(二)月

From VOA Learning English, this is the Health Lifestyle report. From Asia to Europe to North America, poor air quality is making people sick and, in some cases, killing them at an early age. Air pollution causes six million premature deaths every yea

发表于:2018-12-07 / 阅读(70) / 评论(0) 分类 2017年VOA慢速英语(四)月

在今天我们要讲的两个习惯用语里,关键的一个字就是走路的

发表于:2019-01-06 / 阅读(98) / 评论(0) 分类 美国习惯用语

It was chilly outside. Natalie had asked Sonny to come pick her up. She wanted to give him his bimonthly haircut at his place. He said hed be right over. She always cut his hair in the bathroom, so he closed the bathroom window completely. She didnt

发表于:2019-01-07 / 阅读(58) / 评论(0) 分类 365个英语简短小故事

This is IN THE NEWS in VOA Special English. Next week is the one hundredth anniversary of the Paris Air Show, the biggest in the world. It takes place every two years, and organizers say even with the economic downturn they expect a full house. Airb

发表于:2019-01-11 / 阅读(45) / 评论(0) 分类 VOA慢速英语2009年(六)月

The jet age of passenger travel began when the de Havilland Comet airliner took flight in Britain in 1949. Now, the only complete de Havilland Comet to survive in the Western Hemisphere is being restored in Everett, Washington. Taking flight It was b

发表于:2019-01-14 / 阅读(44) / 评论(0) 分类 VOA标准英语2010年(十)月

US Budget Impasse Could Affect Air Travel Flying in and out of U.S. airports could become a challenge, with delays on the ground and in the air. The disruptions could begin when automatic government spending cuts hit the nation's aviation sector in A

发表于:2019-01-14 / 阅读(70) / 评论(0) 分类 VOA标准英语2013年(三月)

AUDIE CORNISH, HOST: Climb Every Mountain, Rocky Mountain High, Night On Bald Mountain - music and mountains have long been linked in the public imagination. Critic Bob Mondello says a documentary called Mountain finds a new sort of purity in the con

发表于:2019-01-16 / 阅读(86) / 评论(0) 分类 2018年NPR美国国家公共电台5月

Heavy smog shrouded Beijing on Wednesday October 19, and a yellow alert, the third-highest warning level, was issued by the environmental authorities on Tuesday, the Legal Daily reported. The yellow alert means the Air Quality Index will exceed 200 f

发表于:2019-01-19 / 阅读(71) / 评论(0) 分类 2016CRI中国国际广播电台

It had been another hot spring day. By ten oclock in the evening, it had only cooled down to 87 degrees, according to Larry's thermometer in the living room. He rarely looked at his thermometer because he usually didn't care what the exact temperatur

发表于:2019-01-20 / 阅读(86) / 评论(0) 分类 365个英语简短小故事

I have an appointment with my hairdresser today. It has been too long since I had my hair cut. My bangs were too long, I had split ends and my roots were showing. I was a mess! I arrived for my appointment and I told the receptionist that I was there

发表于:2019-01-28 / 阅读(44) / 评论(0) 分类 地道美语播客

Every year when summer comes around They stretch a banner 'cross the main street in town You can feel somethin's happenin' in the air Well, from Carol's house up on Telegraph Hill You can see the lights going up out in Soldiers Field Getting ready,

发表于:2019-02-02 / 阅读(144) / 评论(0) 分类 美国乡村音乐

Joel: Hey, Tom, when you were in Thailand, did you, were you good at bargaining? You know how you have to haggle to get the price lower. Tom: Once I got started it was OK, but, oh, getting started was so difficult. Joel: What do you mean? Tom: I just

发表于:2019-02-03 / 阅读(58) / 评论(0) 分类 原版英语对话1000个

Todd: So, Tres, can I ask you some questions about your hair? Tres: Sure, go ahead. Todd: So you have dreadlocks. How long have you had dreadlocks? Tres: I've had dreadlocks ever since I was in high school, so I would say over ten years. Todd: And ho

发表于:2019-02-04 / 阅读(67) / 评论(0) 分类 原版英语对话1000个

今天我们要学的词是affair。 Affair, 是有风流韵事的意思。An extramarital affair, 就是一段婚外情。美国纽约的前州长斯皮策因为招妓丑闻刚下台,继任的州长佩特森就召开记者会,主动交待自己几

发表于:2019-02-07 / 阅读(72) / 评论(0) 分类 英语单词荟萃

Every night seems dinner and wine Saturday girls I was never in love, never had the time In my hustle and hurry world Laughing myself to sleep, waking up lonely I needed someone to hold me, oh It's such a crazy home town It can drag you down Till you

发表于:2019-02-11 / 阅读(46) / 评论(0) 分类 好听的英文歌曲

Air NZ showed what their new planes will look like inside. The CEO of Air NZ said that there have been many improvements for Business class passengers in the past few years but nothing for Economy class. The new planes, the Boeing 777-300 model, will

发表于:2019-02-17 / 阅读(71) / 评论(0) 分类 新西兰英语

United Nations peacekeepers in the demilitarized zone between Syria and Israel say they've so-far been unable to verify a Syrian complaint that Israeli planes flew over the Golan Heights to carry out an air strike near Damascus. Eduardo del Buey is a

发表于:2019-02-21 / 阅读(94) / 评论(0) 分类 英闻天下

The privatisation of India's debt-laden airline is coming into sight, as the Indian government looks to sell off a stake in the loss-making carrier, seen as a burden to the county's finances. Whoever buys the airline won't have an easy task on their

发表于:2019-02-22 / 阅读(82) / 评论(0) 分类 2018CRI中国国际广播电台