名词
中文翻译：气动力发射器
同义词：
['gas-operated catapult', 'gas-powered launcher']
例句：
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1.The gas-powered catapult was used to launch the projectile.
使用气动力发射器来发射弹丸。
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2.The gas-powered catapult is a versatile tool for launching small objects.
气动力发射器是一种多功能工具，用于发射小型物体。
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3. The gas-powered catapult has become a popular choice for launching fireworks.
气动力发射器已成为发射烟花的热门选择。