名词
中文翻译：切刀牙
同义词：
['sawtooth', 'serrated teeth']
例句：
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1. The dentist uses a cutter to remove the old fillings.
牙医使用一把锯来去除旧的填充物。
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2. The sawtooth on the edgeof the table is sharp enough to cutthrough paper.
桌子边缘的锯齿状足够锋利，可以切断纸张。
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3. The serrated teeth of the saw are designed tocut through wood quickly and efficiently.
锯齿状的牙齿设计用来快速且高效地切割木头。