/ˈblɪstə(r) ||; ˈblɪstɚ/noun [C] a small painful area of skin that looks like a bubble and contains clear liquid. Blisters are usually caused by rubbing or burning. 水
blister²
/ˈblɪstə(r) ||; ˈblɪstɚ/verb[I,T]
1 to get or cause blisters （使）起水
2 to swell and crack or to cause sth to do this （使）起泡: The paint is starting to blister.油漆开始起泡。