Learner's definition of RUST
[noncount]
1
: a reddish substance that forms on iron or some other metal usually when it comes in contact with moisture or air铁锈;金属锈 2
: a disease that causes plants to develop reddish-brown spots(植物)锈病,锈菌
3
: a reddish-brown color赭色;铁锈色
2 rust /ˈrʌst/ verb
rusts; rusted; rusting
rusts; rusted; rusting
Learner's definition of RUST
1
[no object] : to form rust : to become rusty生锈 2
[+ object] : to cause rust to form on (something)使生锈