视网膜血管鞘sheathing: n. 1.外壳;鞘套;外层覆盖;护板;护套;护皮。 2. ...vessel: n. 1.容器,器皿〔桶、钵、碗等〕。 2.船,舰;飞船 ...anomaly of the retinal vessels: 视岗膜血管异常basal membrane of retinal vessels: 视网膜血管基底膜basal membranes of retinal vessels: 视网膜血管基底膜下载手机词典可随时随地查词查翻译