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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
This is Scientific Americans 60-Second Science, Im Steve Mirsky. Got a minute? The 2010 Nobel Prize in Chemistry goes to the University of Delawares Richard Heck, Purdues Ei-ichi Negishi and Hokkaido Universitys Akira Suzuki for their work in develop
And I'm not sure how to fix it because I'm only a scientist. 我只是个科学家,不知如何解决这个问题。 But maybe one way to do it is to go back to the more natural way of communication, which is a dialogue, 但或许有个可行的方法
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
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
Shipping, initially derived from the word relationship, is thedesire by fans for two people, either real-life celebrities or fictionalcharacters, to be in a relationship, romantic or otherwise.Shipping often takes the form of creative works, includin