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单词 serration
释义 ser·ra·tion
\seˈrāshən\ noun
(-s)
Etymology: serrate (II) + -ion
1. : the condition of being serrate
 < the continual serration of the pine forest — John Ruskin >
2.
 a. : a formation resembling the toothed edge of a saw
  < mountains receding in serrations to the west >
 b. serrations plural : the fine scales projecting from the surface of wool fiber
3. : one of the teeth in a serrate margin
 < a dial with two hundred serrations >
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更新时间:2024/9/21 11:01:44