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theories

英 [ˈθɪəriz]

美 [ˈθɪriz]

n.  学说; 论; 说; 理论; 原理; 原则; (未证明的)意见; 看法; 推测
theory的复数

柯林斯词典

  • N-VAR 理论;学说
    Atheoryis a formal idea or set of ideas that is intended to explain something.
    1. Marx produced a new theory about historical change based upon conflict between competing groups...
      马克思创立了一种新理论,认为历史的演变是基于对立集团之间的冲突之上的。
    2. Einstein formulated the Theory of Relativity in 1905.
      爱因斯坦于 1905 年创立了相对论。
  • N-COUNT 观点;见解
    If you have atheoryabout something, you have your own opinion about it which you cannot prove but which you think is true.
    1. There was a theory that he wanted to marry her...
      有人认为他想娶她。
    2. My theory about divorce is that it's not the split-up that damages children, it's how it is handled.
      我对离婚的看法是,伤害孩子的不是婚姻的破裂,而是处理离婚的方式。
  • N-UNCOUNT (实践科目、技能的)理论基础
    Thetheoryof a practical subject or skill is the set of rules and principles that form the basis of it.
    1. He taught us music theory.
      他教我们乐理。
    2. ...graduates who are well-trained in both the theory and practice of statistics.
      在统计学理论和实践两方面都训练有素的毕业生
  • PHRASE 从理论上说;照理说
    You usein theoryto say that although something is supposed to be true or to happen in the way stated, it may not in fact be true or happen in that way.
    1. A school dental service exists in theory, but in practice, there are few dentists to work in them.
      照理说,学校也有牙医诊所,可实际上,里面的牙医寥寥无几。

双语例句

  • They talked about the competing theories of the origin of life.
    他们讨论了几种相互矛盾的生命起源理论。
  • This highlights a problem faced by people proposing theories of ball lightning
    这使得球状闪电理论的提出者所面临的一个问题凸显出来。
  • Many theories on punishment exist, all of which are variations on a theme.
    关于惩罚的理论有很多,虽形式略有不同,但其主旨都是一样的。
  • Over the years several similar theories have been put forward
    几年来已经有好几个类似理论相继提出。
  • Psychiatrists become too caught up in their theories to deal adequately with reality.
    精神病专家太纠结于理论,无法很好地处理现实问题。
  • Then, we introduce a single intersection and coordination of the basic theories and methods of control.
    其次介绍了单交叉口和协调控制基本理论和方法。
  • The psychoanalysts have had no trouble in finding empirical confirmation for their theories.
    精神分析学家们已经不难找到证明其理论的事实根据。
  • There are many theories that claim to be able to predict whether you're carrying a boy or a girl.
    有许多理论声称能够预测胎儿的性别。
  • The two scientists stopped working together because their theories did not conform.
    这两位科学家理论不一致,因此停止了合作。
  • The police have several theories about the case, but no hard evidence.
    警方对这个案件有好几种分析,但都缺乏确实的证据。