1. An alloy of copper, zinc, and tin, used in imitation gold jewelry. 
   金色铜一种由铜、锌和锡制成的合金，用于仿制黄金首饰
2. an alloy of copper and zinc that is used in cheap jewelry to imitate gold. 
   含铜和锌的合金，用在廉价珠宝中仿金。
3. an alloy of copper and zinc (and sometimes arsenic) used to imitate gold in cheap jewelry and for gilding. 
   铜和锌的合金（有时含砷），用于镀金和在廉价珠宝中仿金。
4. An alloy of silver and gold. 
   金银合金
5. a sliver-white metallic element of the platinum group that resembles platinum; occurs in some copper and nickel ores; does not tarnish at ordinary temperatures and is used (alloyed with gold) in jewelry. 
   一种银白色铂系金属元素，类似铂，见于一些铜、镍矿中，常温下不会失去光泽，用于（与金混合）制珠宝。

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• 1. 白金首饰合金
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