A cap gun is a toy gun that makes a popping sound when a small paper cap is placed inside and struck. The cap is a small, round piece of paper that contains a small amount of gunpowder, which creates a loud sound when it is hit. Cap guns are often used in pretend play or as part of costumes, especially in Western-themed games or shows. They are typically made of plastic or metal and look like real guns, but they are designed to be safe for children when used correctly. While the noise is loud, cap guns do not shoot projectiles.

“cap gun”的英语定义和含义

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