名词
中文翻译：推进
同义词：
['drive', 'propulsion system']
例句：
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1.The spacecraft's propulsion system is responsible for its acceleration.
太空船的推进系统负责其加速。
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2. The new engine has a higher propulsion efficiency than the old one.
新型发动机的推进效率比旧型高。
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3.The ship's propulsion system was designed to be quiet and efficient.
船只的推进系统设计得既安静又高效。