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TOEFL BNC: 3212 COCA: 4583

mineral

mineral /ˈmɪnərəl/ noun
plural minerals
mineral
/ˈmɪnərəl/
noun
plural minerals
Learner's definition of MINERAL
[count]
: a substance (such as quartz, coal, petroleum, salt, etc.) that is naturally formed under the ground矿物
: a chemical substance (such as iron or zinc) that occurs naturally in certain foods and that is important for good health(健康必需的)矿物质

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