theories是什么意思？

theories

英['θɪərɪz] 美['θɪərɪz]

• n. 学说( theory的名词复数 )，理论，原理，意见；

例句

• misappropriating the theories of social science 不正确地使用社会科学的理论
• There are many theories about the origin of life. 关于生命起源的学说有很多。
• The theories and measurements fitted together neatly. 理论与测出的数据恰好相符。
• He was convinced that his theories were correct. 他确信他的学说是正确的。
• theories which lack ideological coherence 缺乏思想体系连贯性的理论
• arcane economic theories 鲜为人知的经济理论
• Scientists test out theories by experiment. 科学家用实验来检验理论.
• All theories originate from practice and in turn serve practice. 任何理论都来源于实践,反过来为实践服务.
• The two theories differ from each other in many ways. 这两种理论彼此间的不同是多方面的.
• ...the particular issues, problems and theories that preoccupied him. 萦绕在他心头的那些议题、问题和理论

英语六级真题

The central notion of social learning theories is that people learn attitudes, beliefs, and behaviors through social interaction.
出自-2013年6月阅读原文
Social learning theories contribute to our understanding of why we behave as we do, but much of the emphasis is on early socialization rather than on what occurs throughout life
出自-2013年6月阅读原文
Thus, these theories don't explain why gender roles can change in adulthood or later life.
出自-2013年6月阅读原文

柯林斯高阶英汉双解学习词典释义

• N-VAR
  理论;学说
  A theory is a formal idea or set of ideas that is intended to explain something.
  例句
  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。 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 a theory about something, you have your own opinion about it which you cannot prove but which you think is true.
  例句
  There was a theory that he wanted to marry her... 有人认为他想娶她。 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
  The theory of a practical subject or skill is the set of rules and principles that form the basis of it.
  例句
  He taught us music theory. 他教我们乐理。 ...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 use in theory to 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.
  例句
  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。