Read Edit View history 芸草 yúncǎo rue Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 芸草 · yúncǎo · rue 2026/03/04 芸草 yúncǎo rue (botany) rue (Ruta graveolens) 相传古人常在书中放置芸草，以防蛀虫。 noun created sense Mar 4, 2026, 02:25 AM