n.[U]

1. 鏽，鐵鏽
   Iron gathers rust easily.

   鐵易生鏽。

2. （腦子等的）遲鈍；（能力等的）荒廢
   She read extensively to keep her mind from rust.

   她廣泛閱讀以防止腦子遲鈍。

3. （植）鏽病
4. 鐵鏽色，赭色

vi.

1. 生鏽
   Stainless steel does not rust.

   不鏽鋼不會生鏽。

2. （腦子等）變遲鈍；（能力等）荒廢
   Don't let your mind rust during the vacation.

   不要讓你的腦子在假期裡變遲鈍。

3. 成鐵鏽色
   The leaves slowly rusted in the fall.

   秋天葉子慢慢變成紅褐色了。

vt.

1. 使生鏽
   The rain will rust the iron roof.

   雨水將使鐵皮屋頂生鏽。

2. 使變遲鈍；使（能力等）荒廢
   A six-year lay-off has not rusted his skills.

   六年的待業並未使他的技術荒疏。

3. 【植】使患鏽病
4. 使成鏽色

n.

1. a reddish- or yellowish-brown flaking coating of iron oxide that is formed on iron or steel by oxidation, especially in the presence of moisture.
2. a fungal disease of plants which results in reddish or brownish patches.
3. a reddish-brown colour.

v.