音标：[ 'θiəri ] 发音:
- In eighteenth century the theory shrank .
- These theories drew analogies of them .
- In theory the plan should have worked .
- The mathematics of the theory is too formidable .
- All the facts certainly fit your theory .
- An example is the kinetic theory of gases .
- Your theory disaccords with my experience .
- Let us put his theory to the proof .
- His theories met with general discredits .
- Theory must not be divorced from practice .
- a tentative insight into 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"
- a belief that can guide behavior; "the architect has a theory that more is less"; "they killed him on the theory that dead men tell no tales"
- 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"
- theoryとは意味：theory n. 理論; 学説; 理屈; 持論. 【動詞＋】 ◆those who accept this theory この学説を受け入れる人々 No scientific theory has been accepted without opposition. 科学上の学説で今までに反対論なしに認められたものはない ◆adopt a theory 説を採用する ◆He advanced a...
Theory is a contemplative and rational type of abstract or generalizing thinking, or the results of such thinking. Depending on the context, the results might for example include generalized explanations of how nature works, or even how divine or metaphysical matters are thought to work.