Alloys, Metal mixtures made by mixing different metals together and melting them, Copper, A reddish-brown, soft metal element, Zinc, A silvery-grey, soft metal element, Tin, A white metal element; soft, ductile, and malleable, Bronze, An alloy made by mixing copper and tin, Brass, An alloy of copper and zinc, Steel, An alloy of iron and carbon.

排行榜

視覺風格

選項

切換範本

)
恢復自動保存: ?