theory

英['θiəri]美['θi:əri]

n.[C]
1.理论；学理，原理
2.学说；论说；论，说
3.意见，看法；推测，揣度
4.【数】论，理论

复　数：theories

同：	[n.] hypothesis, possibility

This confusion about humanism and the theory of alienation is a very serious problem among people working in the ideological sphere.
人道主义和异化论，是目前思想界比较突出的问题。收藏
The development of cell theory in the eighteenth and nineteenth centuries caused biological research to blossom and bear fruit at all levels.
细胞学说在十八和十九世纪的发展，促进生物学各个方面的研究开花结果。收藏
The historicist method implies a strangely similar sociological theory
历史决定论的方法包含着一种极其类似的社会学理论。收藏
The common Chinese origin of the two chows has also given rise to the theory that both meanings of the word derive from the word "gou".
chow的两个讲法都来源于汉语也支持了那种认为这个词的两种意思都来源于“狗”的说法。收藏
His theory of justice was elaborate and forms a cornerstone of his philosophical edifice.
他详尽阐述的正义理论形成了其哲学体系的基石。收藏

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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
- theories can incorporate facts and laws and tested hypotheses
- true in fact and theory
a tentative theory about the natural world; a concept that is not yet verified but that if true would explain certain facts or phenomena
- 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
[同] hypothesis, possibility, theory

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