perpetuity

n (idm 习语) in perpetuity (fml 文) for ever; permanently 永久; 永恒; 永远: The site of the memorial is granted in perpetuity to Canada. 纪念馆址已选定在加拿大作为永久的纪念.

permutation, permute, pernicious, pernicious anaemia, perniciously, perniciousness, pernickety, peroration, peroxide, perpendicular, perpendicularity, perpendicularly, perpetrate, perpetration, perpetrator, perpetual, perpetual motion, perpetually, perpetuate, perpetuation, perplex, perplexed, perplexedly, perplexing, perplexity, perquisite, perry, pers, persecute, persecution, persecutor, perseptive, perseverance, persevere, persevering, perseveringly, Persia, Persian, Persian carpet (also Persian rug), Persian cat (also Persian),