爱词霸英语   汉语   手机版   软件版下载 | English
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1.The car engine is knocking.
汽车发动机发出收藏指正
2.The car engine was pinking slightly.
车子的引擎发出一点点收藏指正
3.A pounding or clanking noise made by an engine, often as a result of faulty fuel combustion.
发动机发出的动或撞击的音,通常是由于燃料燃烧不足引起收藏指正
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