perpetual
【词性】：adj． 【释义】： 永久的 ‖perpetual bonds永久债券，无期债券perpetual book永久保存账册perpetual budget持续预算perpetual index恒定指数perpetual insurance终身保险perpetual inventory永续盘存perpetual inventory method永续盘存法perpetual inventory sheet永续盘存明细表perpetual lease永租权perpetual leaseholder永久租借人perpetual loan无期贷款，永久贷款perpetual trust永久信托 |