常见例句双语例句When contrast-enhanced CT depicts hypervascularity of the mesentery with vascular dilatation, tortuosity, and wide spacing of the vasa recta , the comb sign is produced.当增强CT显示血管扩张、迂曲而血管增多的肠系膜和广泛分布的直小血管，产生梳征。 返回 vasa recta