让面包冷却后再切片。

Allow the bread to ___cool before slicing it.

夏天，许多人因喷泉冷却了空气而感到高兴。

In the summer many people were delighted by fountains which ___cooled the air.

让汤冷却几分钟再吃。

Let the soup ___cool for a few minutes before eating.