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N-UNCOUNT
锈;铁锈
Rust is a brown substance that forms on iron or steel, for example when it comes into contact with water.
例句
...a decaying tractor, red with rust...
锈迹斑斑的破拖拉机
Manufacturers are looking into building cars out of plastic to avoid the problem of rust.
制造商们正研究如何用塑料制造车辆，以避免生锈。
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VERB
生锈
When a metal object rusts, it becomes covered in rust and often loses its strength.
例句
Copper nails are better than iron nails because the iron rusts...
铜钉比铁钉好，因为铁会生锈。
There was an old rusting bolt on the door.
门上有一个生锈的旧门闩。
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COLOUR
铁锈色;赭色;深褐色
Rust is sometimes used to describe things that are reddish-brown in colour.
例句
...turquoise woodwork with accent colours of rust and ochre.
主色调为深褐色和赭色的青绿色木制品
...a rust-coloured blouse.
深褐色的上衣
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N-UNCOUNT
(植物的)锈病，锈菌
Rust is a disease which affects plants. It is caused by a fungus.