rust
🇺🇸
/rʌst/
🇬🇧
/rʌst/
a reddish-brown coating that forms on metal when it gets wet and air touches it
The old bicycle had a lot of rust on its frame.
その古い自転車のフレームには錆がたくさんついていた。
a plant sickness that makes red-brown spots, or the tiny living thing that causes it
The wheat plants got rust from the fungus in the soil.
小麦の植物は土壌中の菌類からさび病にかかった。
when metal gets covered with rust, or when something makes metal get rust
If you leave metal tools outside, they will rust in the rain.
金属製の工具を外に置いておくと、雨で錆びてしまいます。