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来源:雅诚德英语网
Over billions of years, the gas was compressed by gravity into galaxies, stars, plants and eventually, even humans.
在数十亿年的时间里,这些气体被引力压缩成星系、恒星、植物,最终甚至变成了人类。
Over billions of years, the gas was compressed by gravity into galaxies, stars, plants and eventually, even humans.
在数十亿年的时间里,这些气体被引力压缩成星系、恒星、植物,最终甚至变成了人类。