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。

But only the carbonaceous chondrites contain water - as well as lots of carbon, if you couldn't tell from their name.

你从它的名称中也可以得知它们带有很多的碳， 它们之所以带有水是因为它们是在太阳的雪线以外形成的。 此外它们的水中带有的氘的比例。

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。

They said that they had found remnants of carbonaceous chondrites on the moon's far side in hyperspectral images in the visible and near-infrared range taken by the rover.

他们说，在月球车拍摄的可见光和近红外范围内的高光谱图像中，他们发现了在月球背面的碳质球粒陨石残留物。

The rocks are carbonaceous chondrites, one of the rarest types of meteorites, rich in carbon.

这些岩石是碳质球粒陨石，是最稀有的陨石类型之一，富含碳。

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。