单词：panspermia
音标：[pæn'sp\\: miә] ；
n. [生]有生源说, 胚种论(亦作 panspermatism, panspermy)
词型变化：名词复数形式 : panspermias
单词：panspermia 相关文章
The Murchison meteorite was found to be 4.5 billion years old, 人们发现，默奇森陨石的年代已达45亿年， and it was studded with amino acidsseventy-four types in all, eight of which are involved in the formation of earthly proteins. 上面
发表于:2019-02-17 / 阅读(60) / 评论(0)
万物简史
万物简史