balanoid

例句：

1. 1. The engineer designed a new type of balanoid for the project.
   工程师为这个项目设计了一种新型的滑轮。
2. 2. The scientist used a balanoid to measure the distance between two points.
   科学家使用滑轮来测量两点之间的距离。
3. 3. The balanoid was crucial in the construction of the bridge.
   滑轮在桥梁的建设中至关重要。