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Last Updated：2025/11/26
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Dictionary quizzes to help you remember vocabulary

rare earth element

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rare earth metal

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rare earth metal

Noun
rare earth element
Japanese Meaning
希土類元素
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Google Translation / DeepL Translation

エンジニアは、試作機の磁石の性能を向上させる希土類元素の効果について説明した。

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rare earth element

rare earth metals
（ plural ）

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