porthole

• 指船只或飞机上小的、通常为圆形的窗户，也指墙壁或交通工具上用于观察或射击的孔口。

A noun referring to a small, typically round window on a ship or aircraft, or an opening in a wall or vehicle for observation or firing through.

1. Ship or aircraft windowB1formal

   A small, usually round window on the side of a ship or aircraft that lets in light and air.

   舷窗

   • The sailor looked out through the porthole at the stormy sea.
   • The airplane's porthole offered a stunning view of the mountains.
   • She pressed her face against the porthole to see the dolphins.

   同义词portscuttle

2. Firing openingC1formal

   An opening in a wall, ship, or armored vehicle through which a weapon can be fired.

   射击孔

   • The soldiers aimed their rifles through the portholes of the bunker.
   • The tank's porthole allowed the gunner to fire at the enemy.
   • The castle walls had narrow portholes for archers.

   同义词embrasureloopholeport