词根词缀:tard-
【来源及含义】Latin: slow; sluggish
【相关词根词缀】 Cross references directly, or partly, involving "slow, slowness, slow of, sluggish": dys-; lent-.
【同源单词】Ad vindictam tardus, aquitard, mental retardation, psychomotor retardation, psychosocial retardation, retard