1
for posterity
用作状语，表示“为了后世、传给后代”。
The letters were kept for posterity.
这些信件被保存下来留给后代。
子孙；后裔；后代
先理解核心含义，再看它在真实句子里的用法。
子孙；后裔；后代
all of the descendants of a particular person
The letters were kept for posterity.
这些信件被保存下来留给后代。
所有后代,尤指某个人的子孙。
All the future generations, especially the descendants of a specific person.
某个祖先的全部后代
all of the offspring of a given progenitor
未来的观众、未来的时代、未来的认可。
Future audiences, future times, future recognition.
后世；未来各代
all future generations
We should preserve these ancient forests for posterity.
我们应该为子孙后代保护这些古老的森林。
AI contextual example
The artist created the painting not for fame but for posterity.
这位艺术家创作这幅画不是为了名望，而是为了后世。
AI contextual example
Our decisions today will affect posterity.
我们今天的决定将影响子孙后代。
AI contextual example
we must secure the benefits of freedom for ourselves and our posterity
我们必须为自己和后代保障自由带来的益处。
WordNet
用作状语，表示“为了后世、传给后代”。
The letters were kept for posterity.
这些信件被保存下来留给后代。
posterity 可作主语，指未来的世代。
Posterity will judge whether the decision was right.
后世将评判这个决定是否正确。
被动语态中 posterity 指“后人、后代”。
His contributions will be remembered by posterity.
他的贡献将被后人铭记。
Not this
We should preserve these forests for our posterities.
Use this
We should preserve these forests for our posterity.
posterity 是集合名词，通常以单数形式表示‘后代’整体，不可加 -s；即使想强调‘我们的后代’，也应用单数形式。
Not this
The documents were kept for prosperity.
Use this
The documents were kept for posterity.
posterity（后代）与 prosperity（繁荣）拼写相近但意思不同；表达‘为了后代’时应使用 posterity，而非意为‘繁荣’的 prosperity。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
为了后代；为了流传后世
She kept a diary for posterity.
她坚持写日记，以留给后代。
传给后代；流传后世
The legend has been passed down to posterity for generations.
这个传说一代代传给了后世。
留给后代；遗留给后世
We must leave a cleaner environment to posterity.
我们必须把一个更清洁的环境留给后代。
后世将评判；后人会评价
Posterity will judge whether the reform was successful.
后世将评判这场改革是否成功。
后世的评判；后人评价
She did not care about the judgment of posterity.
她并不在意后世的评判。
造福后代；为后代服务
The scientist's work will serve posterity.
这位科学家的研究成果将造福后代。
为了后代；以流传后世
The photographs were kept for posterity.
这些照片被保存下来留给后人。
流传后世；名垂后世
His speeches will go down to posterity.
他的演讲将流传后世。
把某物留给后代
She left her journals to posterity.
她把日记留给了后人。
使我们自己和后代得享自由的幸福
We the People of the United States, in Order to form a more perfect Union, establish Justice, insure domestic Tranquility, provide for the common defence, promote the general Welfare, and secure the Blessings of Liberty to ourselves and our Posterity, do ordain and establish this Constitution for the United States of America.
我们合众国人民，为建立更完善的联邦，树立正义，保障国内安宁，提供共同防务，促进公共福利，并使我们自己和后代得享自由的幸福，特为美利坚合众国制定本宪法。
后世啊！你们永远也不会知道，我们这一代为维护你们的自由付出了多大代价！我希望你们能善加利用。
He wrote his memoirs for posterity.
他为了后世写下了回忆录。
Use posterity naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想 post 有“之后”的意思，posterity 就是“在你之后的人”——后代。
语域：formal 常见场景：历史记录与文献、正式演讲或书面语、保存与传承语境 posterity 属于正式用词，通常用于书面语或正式场合，如历史、法律或纪念性表述中；日常口语中较少使用，更常见的说法是 future generations 或 descendants。
Genuine rhymes with the stressed /ˈstɛrəti/ ending: prosperity, sincerity, severity, dexterity, and austerity. Beware the lookalike poster /ˈpoʊstər/, which shares the spelling “poster” but does not rhyme with posterity /pɑˈstɛrəti/.
Dictionary facts from ECDICT, OCTANOVE, WIKTIONARY.