Copper and zinc are fused to make brass.

铜与锌熔合后形成黄铜。

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Brass is an alloy of copper and zinc.

黄铜是铜锌合金。

《牛津词典》

He knew brass is an alloy of copper and zinc.

他知道了黄铜是铜和锌的合金。

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The company's output of iron ore, as well as copper, zinc and nickel, surged in the last three months of 2009 because of strong demand from Chinese carmakers and construction companies.

VOA: standard.2010.01.21

The output of the other, Falconbridge, complements the coal, copper and zinc businesses of its purchaser, Xstrata.

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But it has only just kept up with the price of lead and has badly trailed the prices of copper and zinc.

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Other commodities sectors also suffered with gold, copper and zinc prices all falling.

BBC: NEWS | Business | Global markets feeling pressure