作业帮tpo26听力倒数第二篇详细讲解呀!求翻译和天文知识讲解
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tpo26听力倒数第二篇详细讲解呀!求翻译和天文知识讲解
那个懂得的学霸讲一下嘛
那个懂得的学霸讲一下嘛
你说的是：
Astronomy (Comets)
Narrator:Listen to part of a lecture in an astronomy class.
Professor：
0K．We have been looking at some of the smaller members of our solar system,comets．You already know about the structure of comets．Let’s continue our discussion now by talking about orbits,especially those of the so-called periodic-orbit comets．These are the comets that circle around the Sun pretty regularly．They return again and again,predictably,after a certain period of time．That’s why we say their orbits are periodic．Probably the most famous and brightest of these is Halley’s comet．
这一篇听力吗?
你可以百度 100托福社区 ,可以在里面找到这篇题目的所以解析.
Astronomy (Comets)
Narrator:Listen to part of a lecture in an astronomy class.
Professor：
0K．We have been looking at some of the smaller members of our solar system,comets．You already know about the structure of comets．Let’s continue our discussion now by talking about orbits,especially those of the so-called periodic-orbit comets．These are the comets that circle around the Sun pretty regularly．They return again and again,predictably,after a certain period of time．That’s why we say their orbits are periodic．Probably the most famous and brightest of these is Halley’s comet．
这一篇听力吗?
你可以百度 100托福社区 ,可以在里面找到这篇题目的所以解析.