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来源：雅诚德英语网
The shower is caused when the Earth passes through a trail of debris left by comet Thatcher (C/1861 G1).
流星雨是当地球经过彗星的轨道时产生的。
The shower is caused when the Earth passes through a trail of debris left by comet Thatcher (C/1861 G1).
流星雨是当地球经过彗星的轨道时产生的。