potassium
柯林斯词典
1. N-UNCOUNT Potassium is a soft silvery-white chemical element that occurs mainly in compounds. These compounds are used in making such things as glass, soap, and fertilizers. 钾
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potassium /pəˈtæsɪəm/
剑桥词典
- a silver-white chemical element that, when combined with other elements , is used in the production of soap , glass , and fertilizers (= substances that help plants to grow )
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