| [/ˈθɪərɪ; ˋθɪərɪ/] n 用法:
1 [C] set of reasoned ideas intended to explain facts or events 学说; 理论:
Darwin's theory of evolution 达尔文的进化论. 用法:
2 [C] opinion or supposition, not necessarily based on reasoning 意见, 揣测（未必基於推理的）:
He has a theory that wearing hats makes men go bald. 他有个看法是男人戴帽子就会秃顶. 用法:
3 [U] ideas or suppositions in general (contrasted with practice) 想法, 设想（与实践相对）:
It sounds fine in theory, but will it work? 道理是不错, 但能否行得通? *
In theory, three things could happen, ie there are three possibilities. 推测起来, 有三种可能性. 用法:
4 [C, U] (statement of the) principles on which a subject is based 原理; 原则; 论述:
studying music theory 学习乐理. |