他跑了很长一段路后起了一个小水泡。

He got a small ___blister after running a long distance.

长时间徒步后，他的脚上起了几个水泡。

After the long hike, he got several ___blisters on his feet.

铁锅表面因为高温出现了几个小鼓包。

Several ___blisters appeared on the surface of the iron pan due to high heat.

老师严厉批评了迟交作业的学生。

The teacher ___scolded the students for turning in their homework late.