noun 下载 🔗分享 氧化物 A binary chemical compound of oxygen with another chemical element. Examples : "Rust is a type of iron oxide that forms when iron reacts with oxygen in the air and water. " 铁锈是一种氧化物,当铁与空气和水中的氧气发生反应时就会形成。 chemistry compound substance element 与AI对话词汇游戏阅读练习