perpetuityKK [ˏpɝpɪtˋjuɪti] /ˌpɝpɪtˈjuɪti/发音名词1永久、永远、无限期常用于 in perpetuityThe land was granted to the university in perpetuity.这块土地永久归该大学所有。2永恒、不朽正式He spoke of love and the perpetuity of memory.他谈到爱与记忆的永恒。3永续年金、终身年金金融The bond behaves like a perpetuity, paying interest forever.这种债券类似永续年金,会无限期支付利息。用这个字练口说→