sunset[5sQnset]n.日落, 晚年sunset***.setAHD:[s¾n“sµt”] D.J.[6s(n7set]K.K.[6s(n7sWt]n.（名词）The event or time of the daily disappearance of the sun below the western horizon.傍晚：太阳每日在西方地平线下消失的事件或时间A decline or final phase:晚年：衰落或最后时期：the sunset of an empire.帝国末年adj.（形容词）Providing for the automatic termination of a government program or agency unless deliberately reauthorized by law:定期废止的：除非由法律特地重新授权，一个政府计划或机构自行废止的：a state-funded program with a sunset provision.带有“日落”条款的政府资助的计划sunset[5sQnset]n.日落；黄昏At sunset, the sun looks as if it is going down.日落时，太阳看起来好像在降落。

sunsetsun 太阳 + set 落。