shaper part

例句：

1. 1. The car has a shaper part that helps it accelerate smoothly.
   这辆车有一个更平滑加速的形状部件。
2. 2. The new design features a more streamlined shaper part.
   新设计的特点是更流线型的形状部件。
3. 3. The engineers worked on modifying the shaper part to improve fuel efficiency.
   工程师们致力于修改形状部件以提升燃油效率。