石灰岩是非常容易溶解的软岩石。

Limestone is a kind of soft rock that dissolves easily.

youdao

这山谷的两侧都很高，到处是大岩石，周围没有多少树，而且谷底又软又湿。

Few trees were around. And the bottom of the valley was soft and wet.

youdao

但至目前为止，远远下方地壳的岩石是如此炎热，它是软的。

But far, far beneath the crust whose rock is so hot, that it is soft.

youdao

但至目前为止，远远下方地壳的岩石是如此炎热，它是软的。

But far, far beneath the crust whose rock is so hot, that it is soft.

youdao