rust

名词 rust:

1. a red or brown oxide coating on iron or steel caused by the action of oxygen and moisture
2. a reddish-brown discoloration of leaves and stems caused by a rust fungus
3. the formation of reddish-brown ferric oxides on iron by low-temperature oxidation in the presence of water
   同义词：rusting
4. any of various fungi causing rust disease in plants
   同义词：rust fungus

动词 rust:

1. become destroyed by water, air, or an etching chemical such as an acid
   同义词：corrode
2. cause to deteriorate due to the action of water, air, or an acid
   同义词：corrode, eat
3. become coated with oxide

形容词 rust:

1. of the brown color of rust
   同义词：rusty, rust-brown

1. This car polish is an effective shield against rust.
   这种汽车上光蜡很有防　作用。
2. The great advantage of this metal is that it doesn't rust.
   这种金属最大的优点是不生锈。
3. The metal has corroded (away) because of rust.
   该金属已锈蚀。
4. If you don't paint those metal trimmings on your windows, they will soon rust away to nothing.
   窗户上那些金属花边如不上油漆，很快就会生锈烂掉。
5. How can I remove the rust from the iron door?
   我怎样才能把铁门上的锈除掉呢？