名词
中文翻译：镍粒
同义词：
['nickel lump', 'nickel chunk']
例句：
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1.The engineer used a nickel pellet to make the machine work better.
工程师用一个镍粒使机器工作得更好。
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2.The scientist found a nickel pellet in the sample.
科学家在样本中发现了一块镍粒。
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3. The nickel pellet was used as an ingredient in the chemical process.
镍粒被用作化学过程的原料。