英 [pəˈpetʃuəl] 美 [pərˈpetʃuəl]
adj. 长期的，永恒的；连续不断的，重复不停的；（职位、工作或战利品）终身的；（投资）永不还本的；（植物）四季开花的，四季结果的[1]
perpetual bond 永久债券 ; 永续债券 ; 永久债券不设到期日的债券
Perpetual Calendar [天] 万年历 ; 永久日历表 ; 万年历表
perpetual inventory system [贸易] 永续盘存制 ; 永续存货系统 ; 定量订货控制系统 ; 存货永续盘存制度
Perpetual Bonds 永久债券 ; 无期债券 ; 永续债券 ; 永世债券
Perpetual inventory 永续盘存 ; 永续盘存制 ; 定量订货法
perpetual motion machine 永动机 ; 永念头 ; 按照能量守恒定律
Perpetual Annuity [劳经] 永续年金 ; 永久年金
Perpetual check 长将 ; 唱片名
Perpetual Loan 永久债务 ; [金融] 无期贷款 ; [金融] 永久贷款 ; [金融] 持续贷款[1]
The perpetual argument is that funds are tight, that we have more pressing problems here on Earth. 永恒的争论是资金紧张，我们在地球上有更紧迫的问题。
The advantage of biological control in contrast to other methods is that it provides a relatively low-cost, perpetual control system with a minimum of detrimental side-effects. 与其他方法相比，生物防治的优点是它提供了一种成本相对较低、有害副作用最小的永久性防治系统。
She's a perpetual student. 她是个终身学习者。
He was elected perpetual president. 他被选为终身会长。
We lived for years in a perpetual state of fear. 多年来我们一直生活在恐惧中。
Nothing seems to dampen his perpetual enthusiasm. 似乎没有什么能减弱他持久的热情。
How can I work with these perpetual interruptions? 打扰不断，让我怎么工作？
I thought her perpetual complaints were going to prove too much for me. 我觉得她那永无休止的抱怨会让我吃不消的。
On another scale, he was a perpetual outsider. 另一方面，他永远是一个局外人。
But it's not as if earlier times didn't know perpetual war, disaster and the massacre of innocent. 但这不并是说早期人们不知道永无休止的战争、灾难和对无辜者的屠杀。
How does it compare with the other, seemingly perpetual health scares we confront, like panic over lead in synthetic athletic fields? 它与我们面临的其他似乎永远存在的健康恐慌相比如何，比如人们在合成运动场上对铅的恐慌？
As Lawrence James says about the British variety in "The Middle Class: A History", they are "a sprawling, untidy organism in a perpetual state of evolution". 正如劳伦斯·詹姆斯（Lawrence James）在他的《中产阶级：一段历史》(the Middle Class:A History)中对英国多样性的描述，他们是“一个不断进化的、杂乱无章的有机体。
In the woods, is perpetual youth. 在森林中，有永恒的青春。
This is my perpetual loyalty to my faith. 这是我对自己信仰永恒的忠诚。
It's a $500 billion perpetual motion machine. 这一台永动机花费五千亿美元。
It keeps us in a state of perpetual mental locomotion. 它让我们的精神处于永远的奔波之中。
Education keeps Germany in a perpetual state of angst. 教育问题使德国担忧不断。
That means perpetual debt for as long as the system exists. 那意味着只要系统存在，就有永恒的债务。
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。
Do you believe in perpetual love in this secular world? 在这个世俗的世界你还相信有天长地久的爱情吗？
This is a perpetual problem faced by all IT organizations. 这是所有的IT公司面临的长久的一个问题。
You see, this is almost a perpetual circle of improvement. 你也看到了，这是一个循序渐进的提高。
We are leaving a perpetual gift to generations of children to come. 我们会为未来世世代代的儿童留下一份永久的礼物。
The wind and the water were carrying on their perpetual quarrel. 风和海水在进行它们那永无休止的争吵。
Perpetual waiting is a serious illness. And I think it's time to detox. 永久的等待是一个严重的错误，我认为是时间戒掉心瘾了。
Why then is this people of Jerusalem slidden back by a perpetual backsliding? 这耶路撒冷的民，为何恒久背道呢。[1]