名词
中文翻译：枪管
同义词：
['barrel', 'tube', 'barrel', 'tube', 'pipe', 'cylinder']
例句：
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1. The gun was loaded with a 9mm pistol.
这把枪被装填了一支9毫米手枪。
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2.He fired the gun at the target.
他向靶子开了枪。
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3. The barrel of the gun was rusted and needed to be replaced.
枪管生锈了，需要更换。