perpetually
adv. 持久地；永恒地
近义词：ever，forever，always，constantly，continually，continuously，everlastingly，eternally，permanently，enduringly，incessantly，
英英释义
Adverb
- everlastingly; for all time;
"rays...streaming perpetually from the sun"
- without interruption;
"the world is constantly changing"
例句
- The condition of an estate that is limited so as to be inalienable either perpetually or longer than the period determined by law.永久所有权，永久不得转让权房地产被限制以致于可永久地或比法律规定时间长的不得转让的状态