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单词 mineral
释义
mineralmineral /ˈmɪnərəl/ ●●○ noun [countable] Etymology 1earth science a substance that is formed naturally in the earth, especially a solid substance such as coal, salt, stone, or gold:  an area rich in minerals2science, chemistry an inorganic substance such as calcium or iron that is present in some foods and that is important for good health:  Fish is a rich source of vitamins and minerals.
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更新时间:2024/12/22 23:50:48