reddish-brown coating formed on metal by the action of water and air
(cause to) become covered with rust
"The metal corroded"
"The pipes rusted"
"The acid corroded the metal"
"The steady dripping of water rusted the metal stopper in the sink"
The..wires..had become corroded by rust.
出自： H. Douglas
A metal roof, eaten in places by rust.
出自： D. Profumo