theory

訳語

1. セオリーセオリー
2. 学説がくせつ
3. 原理げんり
4. 原論げんろん

英語の定義

1. a well-substantiated explanation of some aspect of the natural world

例文

• I think I have a theory about that.
• In theory, there is no difference between theory and practice. But, in practice, there is.

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