Of course, that string is a cosmic trail of gas, dust, and stars about 22, 000 light-years long.
当然，那条线是由气体、尘埃、恒星组成的约22000光年长的宇宙余迹。
Meteor showers occur when the Earth passes through a trail of dust particles left by a comet.
在地球穿过彗星留下的尘埃颗粒的踪迹的时候，流星雨发生。
But it only icy weep on the ground, arrive at and dust fuses, have no a trail at all in in the world.
而它只有在冷冰冰的地上哭泣，只到与尘土融合，在世界上了无痕迹。
The comet swings around the sun once every 33 years, leaving a trail of dust.
坦普尔·塔特尔彗星每隔33年接近太阳一次，留下一条长长的尘埃尾巴。
The comet swings around the sun once every 33 years, leaving a trail of dust.
坦普尔·塔特尔彗星每隔33年接近太阳一次，留下一条长长的尘埃尾巴。
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