Chinese silver
短语释义与例句
n.
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1.
An alloy used for jewelry. Its composition is 58% copper, 17.5% zinc, 11.5% nickel, 11% cobalt, and 2% silver.
不可数
An alloy used for jewelry. Its composition is 58% copper, 17.5% zinc, 11.5% nickel, 11% cobalt, and 2% silver.