rudder

• 安装在船尾或飞机尾部、可转动的垂直板或翼面，用于控制航向、改变水平方向。

A noun referring to a hinged vertical plate or airfoil mounted at the stern of a vessel or tail of an aircraft, used for steering and making horizontal course changes.

1. Aircraft control surfaceB2formal

   A hinged vertical airfoil mounted at the tail of an aircraft, used to control yaw and make horizontal course changes.

   方向舵

   • The pilot moved the rudder to turn the plane left.
   • Aircraft rudders are essential for coordinated turns.
   • The rudder pedals control the direction of the aircraft.

2. Ship steering mechanismB2formal

   A hinged vertical plate mounted at the stern of a vessel, used for steering.

   舵

   • The captain used the rudder to steer the ship through the narrow channel.
   • A large rudder is essential for maneuvering a cargo vessel.
   • The rudder was damaged during the storm, making the ship hard to control.