英语词汇“ballast engine”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	ballast engine
释义	ballast engine noun : a steam engine used in excavating and for digging and raising stones and gravel for ballast
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英语词典包含332784条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。