oxide

/ˈɑkˌsaɪd/

any compound of oxygen with another element or a radical

Chinese meaning: 氧化物

Iron oxide, commonly known as rust, forms when iron reacts with oxygen.

氧化铁，通常称为铁锈，是铁与氧气反应形成的。

Nitrogen oxide emissions from vehicles contribute to air pollution.

车辆排放的氮氧化物加剧了空气污染。