名词
中文翻译：有锯齿状的
同义词：
['serrated edge', 'serrated teeth']
例句：
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1.The car has a serrated edge that can be used to cut through tough materials.
这辆车有一个锯齿边缘，可以用来切割坚硬的材料。
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2. The old man had serrated teeth that made him look like a gorilla.
这位老人有锯齿状的牙齿，让他看起来像一只大猩猩。
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3.The knife blade is serrated, which makes it easier to cut through tough materials.
这把刀的刀刃是锯齿状的，这使得它更容易切割坚硬的材料。