1. Thrust needle roller bearing is a bearing. 推力滚针轴承是轴承的一种。
2. We want to buy Automotive Bearings (Ball - Roller. 我们要采购汽车的轴承（球-滚筒。
3. This was a world with, I believe a roller skating ninja. 这是一个，我想，有滚轴溜冰忍者的虚拟世界。
英英解释
n.
1. a grounder that rolls along the infield
2. a long heavy sea wave as it advances towards the shore
3. a small wheel without spokes (as on a roller skate)
4. a cylinder that revolves
5. a mechanical device consisting of a cylindrical tube around which the hair is wound to curl it
6. Old World bird that tumbles or rolls in flight; related to kingfishers
7. pigeon that executes backward somersaults in flight or on the ground
