non-retractable fin stabilizer

例句：

1. 1. The new boathas a non-retractable fin stabilizer that makes it stable in rough waters.
   这艘新船有一个非收缩鳍稳定器，使它在恶劣的水域中保持稳定。
2. 2. The pilot used the non-retractable fin stabilizer to keep the plane level during the landing.
   飞行员使用非收缩鳍稳定器来保持飞机在降落过程中水平。
3. 3.The fisherman used the non-retractable fin stabilizer to help him catch more fish.
   渔民使用非收缩鳍稳定器来帮助他钓到更多的鱼。