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1.The study of interstellar gas is crucial for understanding the origins of life on other planets.
研究星际气体对于理解其他行星上生命的起源至关重要。
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2. The exoplanet system orbiting around a nearby star is believed to contain significant amounts of interstellar gas.
围绕一个附近恒星运行的系外行星系统被认为含有大量的星际气体。
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3. The discovery of this new type of interstellar gas has sparked excitement in the scientificcommunity.
这种新型星际气体的发现在科学界引起了兴奋。