名词
中文翻译：四冲程汽油发动机
同义词：
['four-stroke engine', 'four-stroke internal combustion engine']
例句：
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1. This new car has a four-stroke oil engine that provides excellent fuel efficiency.
这款新车配备了四冲程汽油发动机，燃油效率极佳。
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2. The four-stroke oil engine is responsible for the vehicle's smooth operation and long lifespan.
四冲程汽油发动机负责车辆的平稳运行和持久耐用。
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3. The engineers at the factory are working on developing a more efficient four-stroke oil engine.
工厂的工程师们正在努力开发一种更高效的四冲程汽油发动机。