Brass is an alloy of copper and zinc.

黄铜是铜锌合金。

《牛津词典》

An alloy of copper with zinc and sometimes other metals, used in making inexpensive jewelry.

顿巴黄铜铜与锌，有时还有其它金属的合金，用来制造廉价珠宝。

youdao

He knew brass is an alloy of copper and zinc.

他知道了黄铜是铜和锌的合金。

youdao

The use of maillechort, a tarnish-resistant, creamily beautiful but easily marred alloy of copper, zinc and nickel, sometimes also called "German silver, " for the plates and bridges is a case in point.

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Many French horns, for example, are made of nickel silver, an alloy of copper, zinc, and nickel (it's silver in name and color only), and some are made of nickel bronze, an alloy of copper, tin, and nickel. (Brass itself is an alloy of copper and zinc.) Many brass instruments are silver-plated (sterling silver on brass), and some are gold-plated.

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