rust /rʌst/ star1 CET4 TEM4 (rusting,rusted,rusts)

• 1.  

  N-UNCOUNT（不可数名词） Rust is a brown substance that forms on iron or steel, for example when it comes into contact with water. 锈

  例：

  ...a decaying tractor, red with rust.

  …一辆腐朽的拖拉机，因生锈而呈红色。

• 2.  

  V-I（不及物动词） When a metal object rusts, it becomes covered in rust and often loses its strength. 生锈

  例：

  Copper nails are better than iron nails because the iron rusts.

  铜钉比铁钉好，因为铁钉会生锈。

• 3.  

  COLOR（色彩词） Rust is sometimes used to describe things that are reddish brown in colour. 铁锈色 (的)

  例：

  ...rust and gold leaves from the maples.

  …铁锈色和金黄色相间的枫叶。