名词
中文翻译：穿孔器
同义词：
['piercer', 'puncher例句：1. The perforator was used to make holes in the fabric.（穿孔器用于在织物上打孔。）']
例句：
-
1. The perforator was used to make holes in the fabric.
穿孔器用于在织物上打孔。
-
2.The worker used a perforator to remove the old nails.
工人使用穿孔器来拔除旧钉子。
-
3.The perforator is essential for the operation of the machine.
穿孔器是机器操作所必需的。