force field

例句：

1. 1. The scientist used a force field to trap the particles.
   科学家使用了一个力场来捕获粒子。
2. 2. The robot's force field is designed to protect it from external threats.
   机器人的力场被设计成保护它免受外部威胁。
3. 3.In this new model, the force field is optimized for performance.
   在这个新模型中，力场被优化以提升性能。