“成色”造句

黄金的成色
the fineness of the gold

柯达叙述了一种直链的活性亚甲基两当量的黄成色剂.
Kodak company describes open chain reactive methylene two - equivalent yellow - forming conplers.

这对鸡血石的镯子成色很好.
The quality of this pair of bloodstone bracelets is very good.

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