枢轴

例句：

1. 2.
   机器、系统等的
2. 3.
   比喻意义上的
3. 1. The engine is the pivot of the car's power system.
   发动机是汽车动力系统的中心。
4. 2. The new policy will be the axis around which our company will operate in the future.
   新的政策将成为我们公司未来运作的核心。
5. 3. The success of the project rests on the ability of the team to work as a unified pivot.
   项目的成功取决于团队作为一个统一核心的能力。