Rust is an iron oxide that forms when metal reacts with oxygen.
铁锈是金属与氧气反应形成的一种氧化铁。
This preview contains only public teaching examples or a lesson summary. It excludes your responses, notes, learning history and identity, and is not sent automatically.
Content is internally reviewed; independent language review is pending.
Rust is an iron oxide that forms when metal reacts with oxygen.
铁锈是金属与氧气反应形成的一种氧化铁。
Read the complete entry or lesson — no registration needed · Source and version
You can also select the text and copy it manually. Links printed in a PNG are not clickable; include the text link when sending.