adj. 1.永久的，永恒的，无穷的；不断的，不绝的；(官职等)终身的。 2.【园艺】四季开花的。 3.〔口语〕不停的。 短语和例子 a perpetual calender 万年历。 a perpetual lease 永久租地权。 n. 【园艺】四季开花的植物；多年生草。 adv. -ly
uninterrupted in time and indefinitely long continuing; "the ceaseless thunder of surf"; "in constant pain"; "night and day we live with the incessant noise of the city"; "the never-ending search for happiness"; "the perpetual struggle to maintain standards in a democracy"; "man''s unceasing warfare with drought and isolation"; "unremitting demands of hunger" 同义词：ceaseless, constant, incessant, never-ending, unceasing, unremitting,
continuing forever or indefinitely; "the ageless themes of love and revenge"; "eternal truths"; "life everlasting"; "hell''s perpetual fires"; "the unending bliss of heaven" 同义词：ageless, aeonian, eonian, eternal, everlasting, unending, unceasing,
例句与用法
1.
A perpetual malaria reigns in this region . 在这个地区，经常流行疟疾。
2.
Large numbers exist in perpetual poverty . 大量的人长期生活在贫困之中。
3.
The land was subjected to perpetual warfare . 在这块土地上，战争连绵不断。
4.
Perpetual motion is one of the important physical concepts . 永久运动是重要物理概念之一。
5.
This episode was characteristic of his perpetual suspiciousness . 这一插曲说明他经常犯疑心病。
6.
Though i tried to be orderly, i lived in perpetual confusion . 我虽然力求整洁，但永远生活在混乱之中。
7.
The wind and the water were carrying on their perpetual quarrel . 风和海水正进行着它们那永无休止的争吵。
8.
He carried his concentrated burden and his perpetual suspense . 他独自负荷着沉重的负担，长期怀着惴惴不安的心情。
9.
Indeed, on the atomic scale, perpetual motion is a reality . 的确，从原子尺度看，永恒的运动是一个确实存在的事实。
10.
Not for entertainment, since her husband was a perpetual occupation . 不是为了消遣，因为他的丈夫就是一种永恒的消遣。
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