theory基本解释
n.学说；理论；原理；意见
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名词复数: theories
theory什么意思
noun
1. a tentative insight into the natural world
a concept that is not yet verified but that if true would explain certain facts or phenomena
e.g. a scientific hypothesis that survives experimental testing becomes a scientific theory
he proposed a fresh theory of alkalis that later was accepted in chemical practices
Synonym: hypothesispossibility
2. a belief that can guide behavior
e.g. the architect has a theory that more is less
they killed him on the theory that dead men tell no tales
3. a well-substantiated explanation of some aspect of the natural world
an organized system of accepted knowledge that applies in a variety of circumstances to explain a specific set of phenomena
e.g. theories can incorporate facts and laws and tested hypotheses
true in fact and theory
1. 理论;学说
A theory is a formal idea or set of ideas that is intended to explain something.
theory在线翻译
e.g. 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。
e.g. Einstein formulated the Theory of Relativity in 1905.
爱因斯坦于 1905 年创立了相对论。
2. 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.
theory
e.g. There was a theory that he wanted to marry her...
有人认为他想娶她。
e.g. 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。
3. (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.
theory的反义词
e.g. He taught us music theory.
他教我们乐理。
e.g. ...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
4. 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.
e.g. 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。
1. 理论：在1960年代,当我刚涉足我们的书名简单称之为""理论""(theory)的东西时,这一术语(如此怪异,它是关于什么的理论)的含义比今天宽泛得多. 在结构主义风行的时期,出现了大量不断扩展的理论--从根本上看,
2. 看法：第一、锻炼了我的胆量,以前每到公众面前露次一脸,发表下看法(theory),脸红的像猴子,胆小的如老鼠,心好比是一个空漏斗,这次相对以前进(progress)步多了;第二、通过自主的学习,学会了一项技能(skill),即说课应该包括那些环节,
My aunts and uncle had..no theories about child upbringing.
出自：Day LewisYesterday, I sat with my son, Shepherd, determined to test my own theory on this.
昨天, 我和儿子谢普德坐在一起, 决定检验一下我自己对这个问题的见解是否正确。
2018全国卷
Today, many Chinese people are learning Western styles and theories rather than focusing on Chinese traditions.
如今, 许多中国人都在学习西方的风格和理论, 而不是专注于中国传统。
2018全国卷
In theory, a girl may veto the spouse her parents have chosen.
理论上，女孩可以否决父母选择的配偶。
2016英语一
In the internet age, at least in theory, this fraction can be much reduced.
在互联网时代，至少在理论上，这个比例可以大大降低。
2013英语一
It is becoming less clear, however, that such a theory would be a simplification, given the dimensions and universes that it might entail.
然而，越来越不清楚的是，考虑到这种理论可能需要的维度和宇宙，它会是一种简化。
2012英语一
