knurled wheel

例句：

1. 1. The car's knurled wheel made it easy to steer the car.
   汽车的带花纹的轮子让驾驶变得容易。
2. 2.The old wooden chair had a knurled wheel that was smooth and comfortable.
   旧木椅有一个带花纹的轮子，既光滑又舒适。
3. 3. The new tire has a knurled wheel for better grip on wet roads.
   新轮胎有一个带花纹的轮子，在湿路上有更好的抓地力。