oc-,向前，朝向，-clud,关闭，词源同close,conclude.引申词义堵塞。

1. The tourniquet should occlude venous and lymphatic return.

止血带应阻断静脉及淋巴回流.

2. The results show that this algorithm has good adaptability in discontinuous and occlude areas.

研究结果表明该算法对于视差不连续和遮挡区域都有着良好的适应性.

3. The control group only exposed the right middle cerebral artery, but did not occlude it.

对照组仅暴露同侧大脑中动脉, 不予电凝.

4. The main modality of endovascular therapy was to use balloon to occlude the parent artery.

血管内治疗主要采用球囊闭塞近端载瘤动脉.

5. This method can occlude the invalid user and greatly improve the security of the DBMS software.

此种方法可封闭非法用户的权限,大大提高数据库管理软件的安全性.