劍橋詞典(of any structure in the body ) existing as a single structure , not part of a pair （肌肉、靜脈等）不成對(duì)的，非一對(duì)中之一的，單一的 If the obstruction is above the entry of the azygous vein , the syndrome is less pronounced . 如果梗阻位於奇靜脈入口上方，癥狀則會(huì)表現(xiàn)得相對(duì)不明顯一些。 返回 azygous