心房颤动 xīnfángchàndòng atrial fibrillation Definitions Defs Origin Strokes Stroke Words Sentences Sents 心房 xīnfáng atrium the two upper chambers of the heart that receive blood from the veins; the cardiac atrium颤动 顫動 chàndòng verb to vibrate to vibrate, quiver, or shake rapidly and continuously
