名词
中文翻译：推进
同义词：
['drive', 'thrust', 'propulsive force']
例句：
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1. Theship's propulsion system isresponsible for its speed and maneuverability.
船的推进系统负责其速度和机动性。
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2. The rocket'spropulsion system is designed to reachhigh altitudes.
火箭的推进系统设计用于达到高海拔。
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3. The new propulsion technology will greatly improve the efficiency ofspace travel.
新的推进技术将大大提高太空旅行的效率。