He has had time to cool down and look at what happened more objectively.

他有时间平静下来，并且更加客观地考虑发生的一切。

They help you cool down when you feel like your anger might explode.

当你感觉自己要怒火爆发的时候，它们会帮助你冷静下来。

I had a swim to cool down.

我游了泳，凉快凉快。

He fanned himself with a newspaper to cool down.

他用一张报纸给自己扇凉。

For cooler (blue or green) light, you'll tell the camera to warm things up, and in warm light, you'll tell it to cool down.

对于较冷的光源（蓝或绿色），你会让相机给照片增加暖色，而在暖光源下，你要让它给照片降温。