地球上的生命来自外太空，支持它的理论是撞上南极洲的陨石中发现了氮。
Nitrogen has been found in a meteorite that smashed into Antarctica, bolstering the theory that life on Earth came from outer space.
南半球的每个春季和夏季，当太阳升起，24小时照耀在南极洲的天空上时，罗斯海也焕发了生命。
Every southern spring and summer, after the Sun has risen into its 24-hour circuit around the skies of Antarctica, the Ross Sea bursts with life.
南极洲发现的陨石加上对理论额外的影响，非常重要的地球上的生命的建造模块来自外层空间，科学家说。
A meteorite found in Antarctica adds extra impact to the theory that the essential building blocks of life on Earth came from outer space, say scientists.
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