Figure 16. Case 11. Upper transverse thoracic view. The flow within the aorta has a normal antegrade direction (blue), but the flow within the pulmonary artery has a retrograde direction (red).是什么意思_Figure 16. Case 11. Upper transverse thoracic view. The flow within the aorta has a normal antegrade direction (blue), but the flow within the pulmonary artery has a retrograde direction (red).在线翻译_英语_读音_用法_例句