blister

1. N-COUNT A blister is a painful swelling on the surface of your skin. Blisters contain a clear liquid and are usually caused by heat or by something repeatedly rubbing your skin. (皮膚上的) 水皰

2. V-T/V-I When your skin blisters or when something blisters it, blisters appear on it. 使起水皰; 起水皰

The affected skin turns red and may blister. 受感染的皮膚會變紅，竝可能起水皰。

The sap of this plant blisters the skin. 這種植物的汁液會使皮膚起水皰。