先决条件 xiānjuétiáojiàn precondition Definitions Defs Origin Strokes Stroke Words Sentences Sents 先决 先決 xiānjué noun prerequisite Describes something that must be resolved or satisfied before anything else can happen; necessary条件 條件 tiáojiàn noun requirement a specific standard, qualification, or prerequisite that must be met in order to achieve a goal or be selected for something