短语词组短語bound auxin [植]束縛生長素;生長素;束縛生長激素;束縛態auxin gradient 生長素濃度梯度分佈Auxin Has 茁長auxin oxidase 生長素氧化酶auxin concentration 植物生長素濃度auxin signaling 生長素信號轉導mixture auxin 混郃生長素auxin balance 植物生長素平衡auxin antagonist 生長抑制物質;抗生長素 返回 auxin