Chondrites contain chondrules, small grains of minerals.

球粒含有球粒，即小颗粒的矿物质。

The stony meteorites are subdivided into two kinds: chondrites, and achondrites.

球粒和无球粒。

Achondrites don't have chondrules in them.

无球粒中没有球粒。

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

岩是质球粒，于最稀有的类型之一，富含元素。

Chondrite is just the name given to the class of stony meteoroids that most commonly strike the Earth.

球粒只是对那最常撞击地球的质流星体类别的称呼。

One type of asteroid called a 'carbonaceous chondrite' contains water molecules, and also their raw ingredients, oxygen and hydrogen.

一种被称为“质球粒” 的小行星含有水分子，以及其原始成分氧和氢。

It turns out that the most likely source for Earth's water is a type of meteorite called a carbonaceous chondrite.

事实证明，地球上水最可能的来源是一种名为质球粒的。

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质球粒残留物。