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1.The scientist used a platinum crucible to melt down the sample.
科学家使用一个铂金坩埚来熔化样本。
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2.The goldsmith was able to refine the platinum crucible into a beautiful ring.
金匠能够将铂金坩埚精炼成一个美丽的戒指。
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3.The engineer used a platinum crucible to test the new material's strength.
工程师使用一个铂金坩埚来测试新材料的强度。