One is a compound, the other an element, yet both galena and native lead are minerals.

方铅矿和自然铅，虽然一种是由化合物构成，另一种是由单元素构成，但它们二者都是矿物。

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But when lead is found alone and not combined with another element, it is referred to as native lead.

但如果铅以单元素形式构成物质而不与其它元素结合，便可称此种矿物为自然铅。

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But when lead is found alone and not combined with another element, it is referred to as native lead.

但如果铅以单元素形式构成物质而不与其它元素结合，便可称此种矿物为自然铅。

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