obstructs的例句（obstructs在句子中的用法）

• The mountain road is so steep that it almost obstructs traffic. 这里山路崎岖,交通蔽塞.
• A device or means that obstructs, blocks, or plugs up. 堵塞的方法:阻碍, 阻挠或堵塞的工具或途径.
• The cirrhotic process obstructs the intrahepatic portion of the portal venous system. 肝硬化使门脉系统的肝内部分受阻.