单词：shockwave flash
单词：shockwave flash 相关文章
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新概念英语第二册Flash
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新概念英语第二册Flash
Most of the damage from an explosion like this is actually the blast wave. Its the very high winds. Mark created a simulation to see what size an asteroid would need to be to be able to generate such destructive power. In this simulation I include mo
探索与发现2014年
Really, its a balance between the size of the object, its speed into the atmosphere and critically the altitude at which it explodes. Too high, if its too small and it explodes too high, the shockwave has little effect on the ground. If its quite low
探索与发现2014年
Amazing images. But what can you get out of these asan expert? What it shows us, first of all, is a great record ofthe entry of the object into the Earths atmosphere. So you see it right fromthe moment it really penetrated. And there it is. That is t
探索与发现2014年
今天我们要学的词是 flash sale。Flash sale 是限时抢购，也叫闪购。有研究显示，Accessories are among the most sought after items on flash sale sites. 闪购网站上，服装配饰属于最抢手的商品。Flash sale web site
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