名词中文翻译
中文翻译：四冲程发动机
同义词：
['four-stroke engine', 'four-stroke internal combustion engine']
例句：
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1. This carhas a four-stroke motor that runs quietly and efficiently.
这辆车有一个安静且高效的四冲程发动机。
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2. The new model of the car has a four-stroke motor that is more powerful than its predecessor.
这款新车的四冲程发动机比前一代更强大。
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3. The old car's four-stroke motor was prone to overheating, which caused frequent breakdowns.
旧车的四冲程发动机容易过热，导致频繁的故障。