weight and balance

例句：

1. 1.The scales on the scale are used to measure weight and balance.
   秤上的刻度用于测量重量和平衡。
2. 2. The car's weight and balance were carefully balanced to ensure stability.
   汽车的重量和平衡被仔细调整以确保稳定性。
3. 3. The balance of power between nations is crucial for maintaining world peace.
   国家间的权力平衡对于维护世界和平至关重要。