名词
中文翻译：环形锯
同义词：
['ring saw', 'circular saw']
例句：
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1. He used a circular saw to cut the wood into pieces.
他用圆锯把木头切成了块。
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2. The carpenter needed a circular saw for his project.
木匠需要一把圆锯来完成他的项目。
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3. The old man used his circular saw to clear away the weeds in his garden.
老人用他的圆锯清理了他的花园里的杂草。