地球外存在生命的理论是基于陨星上存在碳化合物质这一事实的。

One theory about the existence of extraterrestrial life rests on the presence of carbon compounds in meteorites.

youdao

地球外存在生命的理论是基于陨星上存在碳化合物质这一事实的。

One theory about the existence of extraterrestrial life rests on the presence of carbon compounds in meteorites.

youdao