Bone char, as a raw bone salt, may be used to reduce the fluoride concentration in drinking water to acceptable limit.
作为一种粗制骨盐的骨炭可用来降低饮水中氟含量达到饮水标准。
Domino, the largest sugar producer in America, USES bone char to filter impurities from its sugar.
多米诺骨牌，美国最大的食糖生产商，使用骨炭过滤糖的杂质。
White sugar. Some white sugar is processed with bone char, according to PETA.
白糖。根据人道对待动物协会，一些白糖制作过程中使用了骨炭。
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