名词
中文翻译：复合发动机
同义词：
['multi-cylinder engine', 'multi-shaft engine']
例句：
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1. Thenew car has a compound engine that provides excellent performance.
这款新车配备了一个复合发动机，性能卓越。
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2. The old truck had a compound engine that was reliable and durable.
那辆旧卡车有一个复合发动机，既可靠又耐用。
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3. The aircraft uses a compound engine to power its propellers.
这架飞机使用复合发动机来驱动它的螺旋桨。