The river carried dirt and pieces of stone that slowly ate away at the surrounding rock.

这条河夹杂着泥土和石块，这些石块在慢慢地侵蚀周围的岩石。

Instead, she stayed by her dead calf, even after hyenas ate away at the body.

相反，她留在她死去的小腿身边，即使在鬣狗吃掉尸体之后。