Theories
来自Big Physics
Safin（讨论 | 贡献）2022年4月28日 (四) 13:09的版本 （建立内容为“Category:etymology == google == [https://www.google.com.hk/search?q=theories+etymology&newwindow=1&hl=en ref] late 16th century (denoting a mental scheme of…”的新页面）
late 16th century (denoting a mental scheme of something to be done): via late Latin from Greek theōria ‘contemplation, speculation’, from theōros ‘spectator’.
