That’s why comet tails always point away from the sun.
这就是为什么彗星总是面向太阳拖着尾巴。
That's why comet tails always point away from the sun.
这就是为什么彗星总是面向太阳拖着尾巴。
I knew a few celestial bodies, such as the Sun. the Moon and comet.
我知道几个天体，比如太阳、月亮、彗星等等。
That's why comet tails always point away from the sun.
这就是为什么彗尾总是背离太阳的方向。
That's why comet tails always point away from the sun.
这就是为什么彗尾总是背离太阳的方向。
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