an itchy skin eruption characterized by weals with pale interiors and well-defined red margins; usually the result of an allergic response to insect bites or food or drugs
造句
用作名詞(n.)
Hives erupted all over her face and hands. 她臉上和手上突然全發出了蕁麻疹。
The medical term for hives is urticaria. 風疹塊的醫學術語是蕁麻疹。