Read Edit View history 循环系统 xúnhuánxìtǒng circulatory system Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 循环系统/循環系統 · xúnhuánxìtǒng · circulatory system 2026/03/04 循环系统 / 循環系統 xúnhuánxìtǒng circulatory system circulatory system 心脏是人体循环系统的中心。 created sense Mar 4, 2026, 02:25 AM