单词	pilot engine
释义	pilot engine noun : a locomotive going in advance of a train to make sure that the way is clear Word History First Known Use 1838, in the meaning defined above
随便看	ladanum ladanums ladder ladder chain ladder company ladder fire ladder jack ladder shell ladder snake ladder tape ladder tournament ladder track ladder truck ladder-back ladder-backed laddered laddering ladderless ladderlike ladderman laddermen ladders ladderway laddery laddie

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