[N-MASS 物质名词]氧化物 An oxide is a compound of oxygen and another chemical element.
[usu supp N]
Atoms of iron in the nail combine with atoms of oxygen from the air to form molecules of iron oxide, or rust.
钉子里的铁原子与空气中的氧原子结合后形成氧化铁分子,也就是锈。
Oxford
oxide/ˈɒksaɪd; NAmEˈɑːksaɪd/noun[uncountable , countable ]( chemistry 化) a compoundof oxygenand another chemical element 氧化物◆iron oxide氧化铁◆an oxide of tin氧化锡oxideoxidesoxide/ˈɒksaɪd; NAmEˈɑːksaɪd/