为了能够维持生命，这个新的星球不仅要有液态水，而且它的土表还必须是固态的，就像地球这样。

To be able to support life, the new planet would need not only to have water, but it would also need to be solid.

youdao

发育良好，土表下有一层粘土淀积土层。

These soils are well developed and contain a subsurface horizon in which clays have accumulated.

youdao

本文的研究揭示了地膜覆盖节水特征和抑制土表积盐机制。

The researches in this paper showed the characteristics and mechanics of plastic mulch which preventing soil salt from moving to soil surface.

youdao