In one instance, scientists found that hundreds of cubic yards of sand had avalanched down the face of a dune.

在一个实例中，科学家们发现大量立方码的沙粒从沙丘的表面崩落。

youdao

In one instance, scientists found that hundreds of cubic yards of sand had avalanched down the face of a dune.

在一个实例中，科学家们发现大量立方码的沙粒从沙丘的表面崩落。

youdao