Bread knives should have a serrated edge.
面包刀的刀刃应带有波浪齿。
The plant has serrated and hairy leaves.
这种植物长着锯齿状的毛茸叶子。
The plant has serrated and hairy leaves.
这棵植物长着锯齿状的毛茸茸的叶子。
The results showed that: serrated knife cutting force than the scalpel cutting force is small;
结果表明：锯齿形刀的切割力比光刀的切割力小；
The results showed that: serrated knife cutting force than the scalpel cutting force is small;
结果表明：锯齿形刀的切割力比光刀的切割力小；
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