Definition: to become less hot, or to make something become less hot Level: B2
让面包冷却后再切片。
Allow the bread to ___cool before slicing it.
夏天时，许多人喜欢喷泉，因为它们使空气变凉爽。
In the summer many people were delighted by fountains which ___cooled the air.
做饭后，她打开窗户让厨房变凉。
She opened the window to ___cool the kitchen after cooking.
