名词
中文翻译：穿孔器
同义词：
['perforator', 'punch', 'punching tool例句：1. The perforator is used to make holes in paper.（穿孔器用来在纸上打孔。）']
例句：
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1. The perforator is used to make holes in paper.
穿孔器用来在纸上打孔。
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2.The punching tool was designed for this purpose.
这个打孔工具是为此目的设计的。
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3.The perforator was a useful tool for the ancient artisans.
穿孔器是古代工匠们的一个有用的工具。