常见例句One in four aortic aneurysms is a TAA.大约有四分之一的主动脉瘤为胸动脉瘤。Inflexibility sets an aortic aneurysm up for disaster.But what sends it over the edge?主动脉瘤缺少弹性注定要引起灾难，但灾难的导火线又是什麽呢？ 返回 aortic aneurysm