oxide
🇺🇸
/ˈɑːksaɪd/
🇬🇧
/ˈɒksaɪd/
a substance made when oxygen joins with another element
Rust is a common oxide that forms when iron reacts with oxygen in the air.
鐵鏽是一種常見的氧化物,當鐵與空氣中的氧氣反應時形成。