carat balance

例句：

1. 1. The carat balance of the gold is crucial for its value.
   黄金的克拉平衡对其价值至关重要。
2. 2.The astrologer calculated the carat balance to predict the future.
   占星师计算了克拉平衡来预测未来。
3. 3.The jewelry store carefully balanced the carat weights to ensure quality.
   这家珠宝店仔细平衡了克拉重量以确保质量。