为了防止狗乱咬东西，主人给它戴上了嘴套。

The owner put a ___muzzle on the dog to stop it from chewing things.

小狗用它的口鼻部轻轻蹭了蹭我的手。

The puppy gently nuzzled my hand with its ___muzzle.

政府试图通过新法律来压制批评的声音。

The government tried to ___muzzle criticism by passing new laws.

士兵在清理枪支时特别注意枪口部分。

The soldier paid special attention to the ___muzzle while cleaning the gun.