“色盲”的英语表达是 color blindness(名词形式)或 color-blind(形容词形式) 。
color blindness:指色盲这种病症,例如:Color blindness is a genetic disorder that affects a person's ability to perceive colors.(色盲是一种影响人感知颜色能力的遗传性疾病。)
color-blind:常用来描述患有色盲症状的人,也可引申为“不考虑种族(或肤色)差异的” ,例如:He is color-blind and can't tell the difference between red and green.(他是色盲,分不清红色和绿色。) The policy is color-blind, treating everyone equally regardless of race.(这项政策不考虑种族差异,平等对待每个人。 )