衡

例句：

1. 1. The scales are balanced on the scales.
   天平是平衡的。
2. 2. The teacher weighed the apples to see which ones were ripe.
   老师称苹果看哪些是熟的。
3. 3.The balance of power is uneven between the two countries.
   两国之间的权力平衡是不均等的。