On the section through left superior lobar bronchus, left superior lobar bronchus lay in the center.Before it, anterior segmental vein converged into left superior pulmonary vein.是什么意思_On the section through left superior lobar bronchus, left superior lobar bronchus lay in the center.Before it, anterior segmental vein converged into left superior pulmonary vein.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句