Native element: Any of the 19 chemical elements that occur AS minerals and are found in nature uncombined with other elements.
自然元素：以自然状态存在于矿物中，不与其它元素结合的十九种化学元素。
Native element: Any of the 19 chemical elements that occur AS minerals and are found in nature uncombined with other elements.
自然元素：以自然状态存在于矿物中，不与其它元素结合的十九种化学元素。
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