同根派生 vena sublingualis相关词英汉例句Its etiology is assumed to be abnormal embryologic development of the inferior vena cava as a result of atrophy failure of the right subcardinal vein in the lumbar portion.導因爲下腔靜脈的異常胚胎發展結果導致在腰部的右側心下靜脈未萎縮。vena sublingualis更多例句