/ræʃ ||; ræʃ/noun1 [C] [usu.sing] an area of small red spots that appear on your skin when you are ill or have a reaction to sth (皮肤因病或过敏反应而起的)疹: He came out in a rash where the plant had touched him. 他给那植物碰到的地方出现疹块。
2 [sing] a rash (of sth) a series of unpleasant events of the same kind happening close together 接二连三(的不愉快事情)