theory.的英文翻译是什么意思，词典释义与在线翻译
名词 theory:- 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
- 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 belief that can guide behavior
