Ear piercing instrument - Wikipedia, the free encyclopedia-
An ear piercing instrument, commonly referred to as an ear piercing gun, is a device designed to pierce earlobes by forcing a blunt starter earring through ...
所以钻耳枪是 ear piercing gun, 而里面的钉子就是staple. 我们平常用的装订机的钉子也是staple,但装订机就是stapler.
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