Supernova 1604, the most recent supernova to be observed in the Milky Way.
1604年的今天, 1604号超新星被观察到,这也是银河系中迄今为止被观察到的最后一颗超新星.
来源:网络文摘精选A few weeks ago, one small candidate reverse sunspot was sited but faded quickly.
在数星期前, 一颗磁极反向的小黑子出现了,但又迅速消失了.
来源:网络文摘精选The streetlight illuminates the individual drops of rain as they fall past it.
街灯照亮了每一颗经由它而坠落雨滴.
来源:互联网摘选The ill man had a pillj and sat on the xf pillar in stillness until now.
那个坏人吃了一颗药丸后静止不动地坐在柱子上直到现在.
来源:网络文摘精选In 1957 , Russia sent the first satellite into space . The name of the satellite was Sputnik.
在1957, 俄罗斯发送了第一颗人造卫星送入太空.
来源:网络文摘精选It is the one world in the Solar System that is most like the Earth.
火星是太阳系里与地球最接近的一颗行星.
来源:新概念英语第四册Astronomers have long thought that the formation of a star and its solar system was straightforward.
长期以来,天文学家们认为一颗恒星及其恒星系统是直接形成的.
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