因为这双新鞋，我脚后跟上长了一个疼的水泡。

I have a painful ___blister on my heel from these new shoes.

马拉松赛后，她的脚上布满水泡。

After the marathon, ___blisters covered her feet.

汽车的新漆面在阳光下曝晒后，起了一个泡。

A ___blister formed in the car's new paint job after it sat in the sun.