柯林斯词典perpetuity /ˌpɜːpɪˈtjuːɪtɪ/ 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. 美国政府将这块土地永久性划拨给该部族。 返回 perpetuities