名词
中文翻译：枪管
同义词：
['barrel', 'tube例句：1. The gun barrel was rusted and needed to be replaced.（枪管生锈了，需要更换。）']
例句：
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1. The gun barrel was rusted and needed to be replaced.
枪管生锈了，需要更换。
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2. He aimed his gun barrel at the target.
他瞄准了目标。
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3.The barrel of the gun is where the bullets are loaded.
枪管是装子弹的地方。