centre-of-gravity path

例句：

1. 1.The engineer designed a cente-of-gravity path to optimize the flow of water.
   工程师设计了一条重力路径，以优化水流。
2. 2. The scientist used a cente-of-gravity path to study the behavior of molecules in the lab.
   科学家使用重力路径研究实验室中分子的行为。
3. 3. The team followed the cente-of-gravity path to reach the summit of the mountain.
   团队沿着重力路径到达山顶。