| 释义 |
rust DECAYrQstn [U]a reddish brown substance that forms on the surface of iron and steel as a result of decay caused by reacting with air and water铁锈The mechanic said that older cars of this type were prone to rust.机械工说，这个型号的老车很容易生锈。Rust is also used to mean of a reddish brown colour like that of rust.铁锈色
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