名词
中文翻译：蒸汽机
同义词：
['steam engine', 'steam locomotive']
例句：
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1.The steam engine was the first to power trains in the early days of railways.
蒸汽机是早期铁路时代首批驱动火车的引擎。
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2. The steam locomotive is still used today for long-distance travel.
蒸汽机车至今仍用于长途旅行。
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3. The new steam engine has significantly improved efficiency and reduced emissions.
新型蒸汽引擎在效率和排放方面有显著提升。