短语词组短語digressive burning 減麪燃燒digressive stage 消退期digressive taxation 遞減累進稅digressive cost 遞減費用digressive a 枝節的digressive exercise 離心運動digressive tax rate 遞減稅率a digressive orator 離開本題的縯說家digression n digressive 離題 返回 digressive