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CET-4 CET-6 考研 TOEFL IELTS BNC: 14222 COCA: 10260
rust noun | verb
 1 
rust / rQst ; rQst /noun U
1. the reddish-brown substance that forms on iron or steel when it gets wet锈,铁锈;
rusty:
There were large patches of rust on the car.车上有大块的锈斑。
2. a plant disease that causes reddish-brown spots〔植物的〕锈病
 2 
rustverb I,T
1. to become covered with rust, or to make something become covered in rust(使)生锈:
The metal had begun to rust.金属开始生锈。
The gate was old and badly rusted.大门很旧,锈得厉害。

 PHRASAL VERBS 
rust away
to be gradually destroyed by rust
锈坏,锈烂:
The blades of the swords have rusted away.剑刃已经锈坏。

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