名词
中文翻译：扩张枪
同义词：
['expanding gun', 'expanding weapon']
例句：
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1. The expansion gun is usedto expand the space around a target.
扩张枪用于扩大目标周围的空间。
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2. The militaryhas been using this type of weapon foryears.
军方多年来一直使用这种武器。
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3. Theexpansion gun was a revolutionary tool in thefield of warfare.
扩张枪是战争领域的革命性工具。