• <cite id="ecy9d"><form id="ecy9d"><del id="ecy9d"></del></form></cite>
  • <strong id="ecy9d"><form id="ecy9d"></form></strong>
    <tt id="ecy9d"><noscript id="ecy9d"><sup id="ecy9d"></sup></noscript></tt>
    <i id="ecy9d"></i>

  • <i id="ecy9d"><tbody id="ecy9d"><del id="ecy9d"></del></tbody></i>
  • <cite id="ecy9d"><noscript id="ecy9d"></noscript></cite>
  • 英語?英語 日語?日語 韓語?韓語 法語?法語 德語?德語 西班牙語?西班牙語 意大利語?意大利語 阿拉伯語?阿拉伯語 葡萄牙語?葡萄牙語 越南語?越南語 俄語?俄語 芬蘭語?芬蘭語 泰語?泰語 泰語?丹麥語 泰語?對外漢語
    詞匯量測試當前位置: 首頁>聽力教程>(科普英語)Earth and Sky>
    相關教程:?科普英語?英文閱讀

    (科普英語)Earth and Sky

       《Earth and Sky》旨在向廣大英語愛好者介紹瑰麗豐富的世界文化。涉及自然地理、民俗、藝術、經濟、文化、民俗及自然地理各個方面,不僅能提高廣大英語愛好者的英語水品還能對讀者知識面的拓寬具有很大幫助。

     

    異域文化

    美國歷史概況

    • Earth and Sky:By Jeff Swicord Sarah Creek, Mary

      Scientists Working to Save Chesapeake Bay Oyster Population Chespeake Bay The Chesapeake Bay, on the Atlantic coast, is the largest estuary in the United States. It is famous for its seafood, especially crabs and oysters. However, in the last centur...

    • Earth and Sky:By Lisa Bryant Paris

      Paris Conference to Discuss Climate Change, Rising Oceans Some of the world's leading experts on oceans and climate change are meeting in Paris this week to discuss why oceans are rising, and where to channel scarce research funds to study the pheno...

    • Earth and Sky:Water Cycle 水循環

      Water Cycle 水循環 All the oceans on earth are salty, while inland water is typically fresh. How does water become salty? We'll answer a listener's question -- today on Earth and Sky. DB: This is Earth and Sky. We recently visited the Austin Childr...

    • Earth and Sky:Narrowing Uncertainties 新發現

      Narrowing Uncertainties 新發現 In science, theories abound. Some are proven true, some are modified, some are completely abandoned. But even discrediting a theory is progress. Learn more about sorting through the uncertainties -- on today's Earth an...

    • Earth and Sky:Raindrops 雨滴

      Raindrops 雨滴 From a light rain to a heavy downpour, raindrops fall to Earth's surface. And if you watch over time, you'll see that some raindrops are small and some much larger. Find out why -- on today's Earth and Sky. DB: This is Earth and Sky,...

    • Earth and Sky:Politics of CO2 二氧化碳的影響

      Politics of CO2 二氧化碳的影響 Mention global warming to a room full of politicians, and you might just start an argument. But one thing most everyone can agree on is the need for more research. Learn more about the next phase of climate study -- to...

    • Earth and Sky;September Equinox 秋分

      September Equinox 秋分 We have an equinox because an imaginary plane extending outward from Earth's equator isn't the same as the plane of Earth's orbit around the sun. Learn more about today's equinox -- on Earth and Sky.. JB: This is Earth and Sky...

    • Earth and Sky:Acid Rain 酸雨

      Acid Rain 酸雨 Damage from acid rain is widespread - not just in eastern North America, but throughout Europe, Japan, China, and Southeast Asia. Is the rain that's falling on your umbrella acidic? A listener's question -- on today's Earth and Sky. J...

    • Earth and Sky:Aqua Spacecraft 水資源監測太空船

      Aqua Spacecraft 水資源監測太空船 NASA's latest and most ambitious weather satellite is measuring Earth's water cycle. Learn more about the Aqua satellite -- today on Earth and Sky. DB: I'm Deborah Byrd. JB: And I'm Joel Block for Earth and Sky. This...

    • Earth and Sky:Spider Widows 蜘蛛寡婦

      Spider Widows 蜘蛛寡婦 Spiders give many of us the shivers, though they usually leave people alone. Sometimes these spectacular predators instead prey on each other. Learn more about when spiders serve themselves as dinner -- today on Earth and Sky....

    • Earth and Sky:Amazon Trends 亞馬遜河流域

      Amazon Trends 亞馬遜河流域 More than 1/3 of Earth's species -- and about 30% of the total living plants and animals on Earth -- live in the Amazon. Discover a noted scientist's perspective on the perils and promise of this region -- today on Earth a...

    • Earth and Sky:Plants vs. Insects 植物和昆蟲

      Plants vs. Insects 植物和昆蟲 New research is shedding light on one of the longest running battles of all time -- the war between plants and insects. Plants may seem helpless, but they have complex chemical defenses. Plants vs. insects -- today on E...

    • Earth and Sky:Greatest Brilliancy 金星光輝最大之時

      Greatest Brilliancy 金星光輝最大之時 The planet Venus now shines as a eerily brilliant light low in the western twilight sky. We'll talk about why Venus appears at greatest brilliancy this week -- on today's Earth and Sky. DB: This is Earth and Sky...

    • Earth and Sky:Electric Fish 發電魚

      Electric Fish 發電魚 One way that Harold Zakon and his team find fish to study is to put electrical detectors into the bottom of murky streams in Venezuela. This works because certain fish emit pulses of electricity. Discover electric fish -- on tod...

    • Earth and Sky:Estrogen Mimics 雌性激素

      Estrogen Mimics 雌性激素 It may not surprise you that pollution from chemical plants and farms can harm fish. But there's growing evidence that we're all hurting fish and frogs by what we flush down the drain. Discover estrogen mimics -- today on Ea...

    聽力搜索
    最新搜索
    最新標簽
    ? 欧美黄色片播放网址|欧美精品videossexohd熟睡|欧美精品中文字幕第九在线|欧美成人毛片欧美国产免费