名词
中文翻译：彗星现象
同义词：
['meteor phenomenon', 'cometary phenomenon']
例句：
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1.The comet's tail was visible from the telescope.
从望远镜里可以看到彗星尾巴。
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2.This year's comet is expected to make a close approach to Earth.
预计今年的彗星将接近地球。
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3. The comet's path has been predicted with great accuracy.
彗星的路径被预测得非常准确。