单词：aerodynamic contrail
单词：aerodynamic contrail 相关文章
It was the masterful late and lunatic comedian Bill Hicks who pointed it out in the sarcastic terms of those really wary intelligent beings from another planet or even universe coming to earth, what we call UFOs. Why did they invariably seem to show
万花筒2007年
arc弧线 arch拱 astronomy天文学 aerodynamic空气动力学的 axis轴 comet彗星 dense稠密 eject驱逐 doctrine学说 gravel砂砾 hemisphere半球 galaxy银河，星系 gauge估计 meteorology气象学 magnitude大小 perpendicular垂直的
80天攻克雅思核心词汇
The sun has gone completely blank for the second time this month suggesting that Earth could be heading for a mini ICE AGE. 本月已经第二次出现太阳黑子完全消失，这预示着地球可能迎来迷你冰期。 Earlier this month, there
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What Makes Hybrid Cars So Efficient ? 最快的车是什么？ Don : Hybrid cars are known as hybrid s because they use an electric motor to augment the performance of a small, efficient gasoline engine. But this isnt the only reason hybrid s are mor
英语听力文摘 English Digest
Airplane Contrails Have you ever seen a perfectly cloudless sky? Cloudlessthat isexcept for two or three long white lines smeared across the perfect blue sky by airplanes like smudges on a pane of glass. Why do airplanes sometimes leave contrails beh
英语听力文摘 English Digest