液体膨胀

South Carolina Republican lawmaker Lindsey Graham is seeking the GOP presidential nomination. In his hometown of central South Carolina, Graham says he wants to president to confront radical Islam which he says is running wild, to take on the country

发表于:2018-12-18 / 阅读(47) / 评论(0) 分类 2015年NPR美国国家公共电台6月

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro

发表于:2018-12-24 / 阅读(73) / 评论(0) 分类 Scientific American(三)月

Gas 气体 There are three different kinds of matter. They are solids, liquids and gases. 物质分三种:固体、液体和气体。 Gas has no shape, so you can't touch gas. 气体本无形,所以你触摸不到。 Gas moves very freely. 气体能

发表于:2019-01-10 / 阅读(47) / 评论(0) 分类 与美国小学生一起学英文第5册

But the faster you go, the more time dilates. 但是行驶的速度越快,时间的膨胀越多。 For astronauts orbiting the Earth for 800 days, it starts to add up. 如果宇航员们环绕地球800天,其影响就会明显。 But what affects

发表于:2019-01-17 / 阅读(28) / 评论(0) 分类 TED演讲教育篇

December 29 12月29日 Read it! 读读看! Oh, no! Everyone is getting sick. 糟糕!大家都生病了。 Taylor has a headache. 泰乐头痛, She is also starting to cough a lot. 也开始不断咳嗽。 Alex's stomach doesn't feel very good. 亚

发表于:2019-01-23 / 阅读(35) / 评论(0) 分类 大家说英语

Eye spy, on this moment of science. You see at a movie's, someone is asked for identification, instead of producing a badge or picture, they simply look into a camera. Hollywood special effect department then show us lots of needle computer graphics.

发表于:2019-02-24 / 阅读(43) / 评论(0) 分类 英语听力文摘 English Digest
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Afobaka
air well
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altoqualine
anisyl chloride
antiphysical
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homemake
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impatiens biflora
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late marriage
linear classification
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OALA
one way channel
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