paddlefoot

例句：

1. 1.The boat was propelled by the paddle foot.
   船是用桨叶推进的。
2. 2.The fisherman used his paddle foot to catch the fish.
   渔夫用他的桨叶来捕鱼。
3. 3.The paddle foot on the boat is essential for steering.
   船上的桨叶对于转向至关重要。