perpetualadj.永久的;永恒的;一再往复的
perpetual punishment终身刑
perpetual difference永久性差异
perpetual quarreling不停的口角
perpetual injunction[法] 永久禁制令, 最后禁令, 长久性禁令
perpetual neutrality长久中立
perpetual strawberry四季草莓
perpetual protection永久保护
perpetual arrhythmia永久性心律失常,持续性心律失常
perpetual debentures永久债券
perpetual development永恒发展