组成它们的物质也不一样，冰体在它们的质量里占的比重更多。

And they're made of different stuff, with ices comprising more of their mass.

youdao

组成它们的物质也不一样，冰体在它们的质量里占的比重更多。

And they're made of different stuff, with ices comprising more of their mass.

youdao