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1. (刀、刀片等)呈锯齿状的,呈蛇尖状的A serrated object such as a knife or blade has a row of V-shaped points along the edge.
1. notched like a saw with teeth pointing toward the apex
Synonym: serratesaw-toothedtoothednotched
多通过句子记忆单词，而不是单独死记硬背。
