gear form

例句：

1. 1.The car has a gear form that makes it easy to change gears.
   这辆车有一个齿轮形状，使得换挡变得容易。
2. 2.The new design uses a gear form that is more energy-efficient.
   新设计使用了更节能的齿轮形式。
3. 3. The gear form of the machine is designed to be easily adjustable for different tasks.
   机器的齿轮形式设计得易于调整以适应不同的任务。