详细解释:n. 理论, 学说, 原理, 意见, 推测
【化】 理论
【医】 理论; 学说
【经】 理论学说
相关词组:
My theory is that...
词型变化：
名词复数:theories英语解释：
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 phenomenaa tentative theory about the natural world; a concept that is not yet verified but that if true would explain certain facts or phenomena同义词：hypothesis, possibility