late 14c., "gate, gateway," from Old French portal "gate" (Modern French portail) and directly from Medieval Latin portale "city gate, porch," from neuter of portalis (adj.) "of a gate," from Latin porta "gate" (see port (n.1)).
实用例句
1. I went in through the royal portal.
我从宏伟的正门进去。来自柯林斯例句
2. She knew that silent , motionless portal opened into the street.
她知道这扇静止不动的门直通街上.来自辞典例句
3. The portal frames are joined at the top by a cross member.
在门形框架顶部使用一个横撑相连.来自辞典例句
4. 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.来自辞典例句
5. Gastric varices in patients with portal hypertension should be correctly identified.