水泡, 水疱
a small bubble on the skin filled with serum and caused by friction, burning, or other damage
:
• The new shoes gave her a painful blister on her heel.
新鞋在她的脚后跟磨出了一个疼痛的水泡。
• He got a large blister on his hand from using the shovel.
他用铲子铲出了一个大水泡。