論 lùnLún debate Origin Definitions Defs Strokes Stroke Words Sentences Sents Showing: theory All meanings 7 lùn 6 consider 2discuss 2per 1theory 1Lún 1 The Analects 1 1 sentence for 論 (lùn — theory) 层论是代数几何的重要基础。 céng lùn shì dàishù jǐhé de zhòngyào jīchǔ. Sheaf theory is an important foundation of algebraic geometry. Source: Dong Chinese Dictionary