1. corrugated surface to scrub clothes on. 
   有擦洗衣服的波纹曲面的板子。
2. He corrugated his brows in throught. 
   他在沉思中皱起眉头。
3. A mold or die. 
   模型或模具
4. A groove or ridge on a corrugated surface. 
   皱褶起皱的表面上的一条槽或边
5. His brow corrugated with the effort of thinking. 
   他皱着眉头用心地思考.

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• 1. 波浪边锭模
  corrosive wear 腐蚀损耗...corrugated mold 波浪边锭模...corrugated sheet 瓦垅薄波纹钢板
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