名词
中文翻译：锯子
同义词：
['saw', 'saw blade', 'saw teeth']
例句：
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1.The carpenter needs a new saw to cut the wood.
木匠需要一把新锯来切木头。
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2. The old saw was rusted and wouldn't work properly.
旧锯生锈了，不能正常使用。
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3. The saw was sharp enough to cut through the thickest wood.
锯子足够锋利，能切穿最厚的木头。