单词	cupronickel
释义	cupronickel noun cu·​pro·​nick·​el ˌkyü-prō-ˈni-kəl  ˌkü- : an alloy of copper and nickel especially : one containing about 70 percent copper and 30 percent nickel Word History First Known Use 1900, in the meaning defined above
随便看	denseness densenesses densening densens denser densest densification densifications densified densifier densifies densify densifying densimeters densimetries densities densitometer densitometers densitometric densitometries densitometry density density altitude density function density of freight traffic

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