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Bread knives should have a serrated edge.
面包刀的刀刃应带有波浪齿。
《柯林斯英汉双解大词典》
The small serrated edge tracing wheel is used for most fabrics.
大多数面料可用小的、锯齿边的擂盘。
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Another canine specimens up to 13 cm, before and after have a serrated edge.
另一件标本上犬齿长达13厘米，前后缘有锯齿。
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