Read Edit View history 合弓纲 hégōnggāng synapsids Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 合弓纲/合弓綱 · hégōnggāng · synapsids 2026/03/04 合弓纲 / 合弓綱 hégōnggāng synapsids (zoology) the Synapsida class of animals 合弓纲动物包括哺乳动物及其已灭绝的亲属。 noun created sense Mar 4, 2026, 02:25 AM