1. Having jags; jagged or serrated. 
   参差不齐的有尖锐突出部分的；凹凸不平的或锯齿状的
2. To shape or enlarge(a hole) with a tapered, serrated tool. 
   凿孔扩大用带齿的尖的工具钻或扩大（孔）
3. a gripping tool with two hinged arms and (usually) serrated jaws. 
   有装铰链的臂和（通常）锯齿状的钳嘴的紧夹的工具。
4. A tapered, serrated tool used to shape or enlarge a hole. 
   手钻用来钻孔，或扩大孔的尖细带齿的工具
5. large crested fish-eating diving duck having a slender hooked bill with serrated edges. 
   大型有羽冠的食鱼潜鸭，细长而弯曲的喙带有锯齿状边缘。

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• 1. 锯齿面
  serrated disc 缺口圆盘, 缸口耙片...serrated face 锯齿面...serrated joint 细齿连接, 锯齿形连接
  www.cibo.biz - 相关搜索
• 2. 锯齿状面
  浆膜 serous membrane...锯齿状面 serrated face...塞托利氏细胞 sertoli cell
  www.zzcah.edu.cn - 相关搜索