名词
中文翻译：铂金
同义词：
['platinum', 'palladium', 'iridium']
例句：
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1.The platinum ring is the most expensive piece of jewelry in the world.
铂金戒指是世界上最昂贵的珠宝之一。
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2.The platinum-iridium alloy has excellent thermal and electrical conductivity.
铂金-铱合金具有良好的热电导率。
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3. The platinum-iridium alloy is used in high-tech electronics and medical devices.
铂金-铱合金用于高科技电子设备和医疗设备。