单词：layer of sharp density gradient
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用Mp3背六级单词
CHAPTER ONE [00:44.25]READING [00:45.74]Page 2 and 3 [00:48.43]THE YOUNG GREEN CONSUMER GUIDE [00:51.51]Review by Tony Ma [00:54.62]This book says that our world is in danger [00:59.32]It is vital that we do something to save the earth [01:04.21]Firs
上海牛津初中英语九年级
It's a common enough sound in summer, after the wind finally picks up on a hot and humid afternoon, as the rain starts spattering down in big, fat drops--you're in for a full-blown thunderstorm. It's much less common in winter, even during a snow sto
英语时差8，16
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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Heres something we tend to take for granted: drop a few ice cubes into a glass of water at room temperature, and in a few minutes the water will cool. How does this work? 有件事情我们总觉得理所当然：室温下把一些冰块放入水中，
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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
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 sharp [ FB:p ] He said sth. sharp to
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How Does Ice Cool Drinks? Heres something we tend to take for granted: drop a few ice cubes into a glass of water at room temperature, and in a few minutes the water will cool. How does this work? Heat is a measure of molecular activity: the faster a
英语听力文摘 English Digest
Sharp 两个常用法： ① 穿着帅气 例句：Thats a really sharp looking suit. 这种穿着很漂亮。 ② 聪明 例句：Hes a sharp lawyer. 他是一个聪明的律师。(责任编辑：American Slang Freak)
美国俚语
By Challiss McDonough Cairo 30 March 2008 A controversial and partly boycotted Arab League summit has ended in the Syrian capital, Damascus, with no progress on the Lebanese political crisis and a summit declaration that Iraq refused to endorse. Desp
VOA标准英语2008年（三月）
By Peter Heinlein Addis Ababa 15 May 2008 The United Nations says the number of people in Africa with disabilities has doubled in a decade. VOA's Peter Heinlein reports from Addis Ababa victims of conflict are a large percentage of the increase. U.N.
VOA标准英语2008年（五月）
A: May I exchange this DVD player? B: Certainly. Do you have your receipt? A: Here you are. B: Now, why do you want to exchange it? A: It won't play a DVD. B: I'm sorry. I'll get you a new player. A: At first, I thought it was me. B: Okay, here's a n
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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
HARI SREENIVASAN, PBS NEWSHOUR WEEKEND ANCHOR: Scientists studying climate change in Antarctica reported this week that the hole in the protected ozone layer of the earth's atmosphere has shrunk. The discovery of the hole in the mid-1980s led to a wo
PBS访谈环境系列
It's funny how ordinary items or actions can show your knowledge of a language. Sometimes when I do something, or say something, I ask myself the question, Could I say that in Spanish or French? Your question would probably be, Could I say that in En
英语博客 A cup of English
When you think you've seen everything that could possibly be done with nail art, manicure devotees prove you wrong. Step forward the new trend blowing up on Instagram for 'bubble' nails, where acrylic is piled up on top of the nail and thinned out to
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如何用英语夸男生有魅力 1. You really look sharp in that new outfit。 你穿那套新衣服看起来很帅。 2. You look very smart in your new suit。 你穿上新衣服显得很潇洒。 3. You look like a million dollars。 你看上去帅
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It's a common enough sound in summer, after the wind finally picks up on a hot and humid afternoon, as the rain starts spattering down in big, fat drops--you're in for a full-blown thunderstorm. It's much less common in winter, even during a snow sto
英语听力文摘 English Digest