柯林斯詞典perpetuity /?p??p??tju??t?/ 1. PHRASE If something is done in perpetuity, it is intended to last for ever. 永久[正式] [PHR after v] The U.S. government gave the land to the tribe in perpetuity. 美國(guó)政府將這塊土地永久性劃撥給該部族。 返回 perpetuities