existed是什么意思？

existed

• v. 存在( exist的过去式和过去分词 )，生存，（尤指在特殊的条件下或在特定的场所）发现，持续存在；

例句

• The eagerly-awaited experiment aims to recreate conditions that existed just a fraction after the universe was created. 这个万众期待的实验是为了还原出宇宙诞生时的场景。
• Eons passed before life existed on the earth. 经过数不清的年代以后, 地球上才有人类。
• She has thrown herself away upon that boor from sheer ignorance that better individuals existed! 只因为她全然不知道天下还有更好的人，她就嫁给了那个乡下佬！
• She plodded in her perpetuating circle of stove, worktable and sink as if nothing else existed. 她只是在炉子 、 工作台和水井这个永恒的小天地里辛勤地劳动,好象其余的一切都不存在似的.
• The possible interferences existed in produced waters are established. 确定了油田水中可能存在的干扰因素.
• In the old days his family existed by begging. 从前,他们一家靠乞讨度日.
• The people have always co-existed uneasily since their country came into being. 自从建国以来，人们一直都相处得不很融洽。
• With such a state of national unity the problem of disloyalty or isolationism scarcely existed. 有了这样全国团结的局面,不忠贞和孤立主义问题就几乎不存在了.
• Modern genetic mechanisms, including informational macromolecules have not always existed in their present form. 目前的信息大分子为中心的遗传机制, 从历史的观点看不大可能一开始便以现存的形式见诸于世.
• When Alfred Adler first postulated in 1908 that there existed an inborn instinct of aggression Freud argued against it. 当艾尔弗雷德·阿德勒于1908年首次提出人生来就有攻击性本能的假设时，弗洛伊德对此表示反对。

英语四级真题

The gastro-pub has existed in various locations in Hong Kong since 2002.
出自-2011年6月阅读原文
An obsession (沉迷) with time – saving, gaining, wasting, losing, and mastering it – seems to have been a part of humanity for as long as human have existed.
出自-2011年6月听力原文

柯林斯高阶英汉双解学习词典释义

• VERB
  存在;实际上有
  If something exists, it is present in the world as a real thing.
  例句
  He thought that if he couldn't see something, it didn't exist... 他认为自己看不见的东西就不存在。 Research opportunities exist in a wide range of pure and applied areas of entomology... 纯理论昆虫学和应用昆虫学的众多领域都存在着研究机会。
• VERB
  （尤指在逆境中）生存，生活
  To exist means to live, especially under difficult conditions or with very little food or money.
  例句
  I exist from one visit to the next... 我的生活就是一个接一个的访问。 I was barely existing. 我勉强维持生计。