单词：ozone depleting agent
单词：ozone depleting agent 相关文章
I first heard about the ozone layer about twenty years ago. I was still in school. I thought it was interesting, but I didnt take it seriously. It was a bit like science fiction, I mean, how could there be a giant hole in the atmosphere? Over the yea
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United Nations Report Says Earths Ozone Layer Is Healing A new study says the protective layer of the Earths atmosphere is finally healing from damage by humans use of harmful chemicals. Aerosol sprays and coolants had been thinning the ozone layer s
2018年VOA慢速英语(十一)月
There is a special day to recognize the importance of the ozone layer. In 1995, the United Nations General Assembly decided September 16th is the International Day for the Preservation of the Ozone Layer. This is the date on which countries signed th
英语课程学习计划和讲义
In Hong Kong, the versatility and resourcefulness of Customs officers are taken to such extremes 在香港，海关人员具备多方面的知识和技能。 That we are not only responsible for performing our traditional duties as tax collector and
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Global Warming and Ozone 全球变暖和臭氧 Could the coming century bring a new threat to the ozone layer? Discover one scientist's model of the effect of global warming and greenhouse gases on ozone -- on today's Earth and Sky. DB: This is Earth and S
(科普英语)Earth and Sky
Scientists have found that levels of a now-banned chemical are rising again in Earths atmosphere. The chemical is called CFC-11. It is the second most common kind of CFC, short for chlorofluorocarbon. Chlorofluorocarbons were once widely used in many
2018年VOA慢速英语(五)月
By Caty Weaver Broadcast: September 12, 2003 This is Bob Doughty with the VOA Special English Environment Report. Scientists in the United States have reported some good news about the 1)ozone in the
VOA2003（下）-环境与健康
Earth's Ozone Layer Shows Signs of Recovery 地球臭氧层出现恢复迹象 The new report says the Earths ozone layer is showing signs of recovery. Ozone is a form of oxygen. It is found in the air we breathe and in Earth's atmosphere. The ozone l
2014年VOA慢速英语(九)月
A Sneaky Way to Put Bugs on the Menu Running out of cooking oil or need some dressing for your salad? The solution may be crickets from your backyard! Scientists are turning insects into a source of edible and healthy oil. Even though insects are a d
VOA标准英语2016年(一月)
I first heard about the ozone layer about twenty years ago. I was still in school. I thought it was interesting, but I didnt take it seriously. It was a bit like science fiction, I mean, how could there be a giant hole in the atmosphere? Over the yea
纯正英语一分钟
25 大气层中臭氧正日渐稀薄 DATE=3-21-01 TITLE=SCIENCE REPORT - (1)Springtime Ozone Loss BYLINE=George Grow (Start at 1'00
科技之光
By Mike O'Sullivan Los Angeles 17 April 2008 Two American scientists, James Galloway and Harold Mooney, have won this year's Tyler Prize for environmental achievement. VOA's Mike O'Sullivan spoke with the winners about their work, and about the state
VOA常速英语2008年（四月）
Imagine a busy day at work. One of your coworkers walks over to your office and asks for your help he is struggling to understand some financial projections. You put aside what youre doing and spend the next 45 minutes helping him sort through the fo
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Shell in Court Over Nigeria Pollution Charges LONDON The international oil and gas company Royal Dutch Shell was in court Thursday facing charges of polluting Nigerian villages. The case has been brought in a civil court in The Hague by four Nigerian
英语新闻
As the tiger continues to face critical threats to its survival（生存） , yet another country is joining the global battle to save the big cat. An estimated 300 to 500 Royal Bengal tigers roam the sprawling, 6,000-square-kilometer mangrove forest
英语新闻
Ozone layer（臭氧层） 'is no longer disappearing and will return to full strength by 2048', says UN report. The ozone layer is no longer disappearing and could be back to full strength by the middle of this century, UN scientists have confirmed（
英语新闻
Marine Mammals Since there is such an abundance of food in the sea,it is understandable that some of the efficient, highly adaptable, warm-blooded mammals that evolved on land should have returned to the sea.Those that did have flourished. Within abo
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It's well known that foods high in sugar and salt are dangerous for the waistline, but they could also be ageing your body much faster than you realise. 众所周知，吃高糖类和高盐类食物会有发胖的危险，但是这类食物加速身体
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UNITED NATIONS, May 31 (Xinhua) -- UN Secretary-General Ban Ki- moon on Sunday called for more efforts to put an end to the illicit trade in cheaper tobacco products in order to advance public health and sustainable development. The secretary-general
英语新闻
麦田怪圈不是我们干的。请用心想想吧。我们以你们认为不可能实现的速度飞行于群星间可你们还认为我们需要为了联络用途而压下麦秆？你们为什么还总是以为我们会在荒郊僻野着陆？ 我们
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