permanency〔名词〕永久,永久的事物详细»
permanency〔名词〕永久性详细»
永久eternal;everlasting;forever;in perpetuity;permanent;perpetual详细»
永久for a full due;for all time;for ever and a day;for good and all;forever and ever;in perpetuity;to the end of time;without end;world without end详细»
永久for good and all;permanence;permanency;perpetuity详细»
永久for ever and ever;for good and all;immortalization;permanence;permanency;pertetuity详细»