英语语法分析

Was he shivering from fear or from cold?

他是吓得发抖还是冷得发抖呢？

She put her hands over her ears and felt sick and shivering.

她用手捂住耳朵，感到恶心，全身发抖。

We do this by altering our metabolic rate, shivering or sweating.

我们通过改变代谢率、颤抖或出汗来达到这一目的。