It turns out that the most likely source for Earth's water is a type of meteorite called a carbonaceous chondrite.
结果地球上的水最有可能的来源是一种叫做" 碳质球粒陨石" 的陨石, 球粒陨石是一种陨石的类别名称。
The stone was of a type called a carbonaceous chondrite.
这块石头属于一种叫做碳质球粒陨石的类型。
One type of asteroid called a 'carbonaceous chondrite' contains water molecules, and also their raw ingredients, oxygen and hydrogen.
一种称为“碳质球粒陨石” 的小行星含有水分子,以及它们的原始成分氧和氢。
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