Exactly which type of neutron star it is, however, remains a mystery.
然而,至于它到底属于哪一类中子星,仍然是个谜。
If a planet is too small or too close to the heat of a star, it can't hold on to the lightweight gas at all.
如果一颗行星太小或离一个恒星的热源过近的话,它就不能留住轻质气体。
The sun is a star. It appears to be bigger than any other star.
太阳是一颗恒星,它看上去比其他星球要大,这是因为它离我们比较近,而其他星球则很遥远。
Washington,D.C. is the country's capital but it is a city,not a state, so it does not have its own star.
VOA: special.2010.04.02
Star it. Write it down.
标上星号,写下来。
I wrote it down your notes, if you can put a big star next to it so you don't forget this.
我写在了你们的讲义里,如果你们在旁边画上一个,大星号就不会忘记了。
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