serration_serration的解释_serration的意思_serration的翻译_serration的发音_serration怎么念_serration的例句

n.锯齿状,锯齿状突起

serration为短语/超纲词汇

/sɪ'reɪʃn; sɪ`reʃən/
n
1 [U] being serrated 锯齿状.
2 C] notch on a serrated edge 锯齿形边缘的凹口.

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