quarter rudder

例句：

1. 1. The pilot used the quarter rudder to turn the plane around.
   飞行员使用四分之一舵使飞机转弯。
2. 2. The boat's quarter rudder was damaged during a storm.
   暴风雨中，船的四分之一舵受损了。
3. 3. The captain adjusted the quarter rudder to avoid hitting the rocks.
   船长调整了四分之一舵以避免撞上岩石。