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We want to take a closer look at just how extreme temperatures and humidity effect our bodies almost immediately, how our bodies try to fight back and keep cool. So ABC's Dr. Richard Besser actually put this to the test for us. Meet here this morning

发表于:2019-01-07 / 阅读(25) / 评论(0)

万花筒2011年

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Volcano 火山 Many mountains are the result of volcanoes. 许多山峰都是火山的产物。 A long time ago, many mountains were formed by volcanic activity. 很久以前，很多山峰都是由火山运动形成的。 When a volcano explodes, it

发表于:2019-01-10 / 阅读(34) / 评论(0)

与美国小学生一起学英文第4册

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How to Survive the Heat From VOA Learning English, this is Science in the News. Im Anna Matteo. And Im Christopher Cruise. Today we talk about hot weather, and the problems it can cause. We also tell you about the best ways to prevent and treat probl

发表于:2019-01-12 / 阅读(34) / 评论(0)

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83 炎热的天气可能引发疾病甚至导致死亡 DATE=8-14-01 TITLE=SCIENCE IN THE NEWS #2137 - Heat and Health BYLINE= Oliver Chanler VOICE ONE: This is Bob Doughty VOICE TWO: And this is Sarah

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Lesson 35 Getting up Steam 第35课蒸汽往上冒！ Do you want to know what steam is? Let us get a lump of ice, or a snow-ball, and place it in a saucer in a warm room. It soon melts, and then the saucer is half full of water. If we leave the sau

发表于:2019-02-07 / 阅读(47) / 评论(0)

英国学生科学读本

英国学生科学读本第35期:蒸汽往上冒(2)

There would soon be an explosion; the kettle would be burst open. It is in this way that boiler explosions are often caused. When there is too much steam in a boiler, and it cannot get out, it presses against the sides of the boiler, until at last th

发表于:2019-02-07 / 阅读(81) / 评论(0)

英国学生科学读本

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学英语单词

Agnew's splint

amphidesmous

amprotropine phosphate

auto-correlated error

boltings

boric acid emergency shutdown system

bronze disease

Canning Fort

centre of range

chromospheric activity

clefts