英语词汇“widework”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	widework
释义	widework \ˈ ̷ ̷ˌ ̷ ̷\ noun : a bord-and-pillar system of coal mining in which the very narrow pillars left to support the roof are not recovered
随便看	pitch pocket pitch point pitchpole pitchpoll pitch seam pitch shot pitchstone pitch streak pitch surface pitch tree pitch twig moth pitch-up pitchuri pitchwoman pitch woo pitchy pit coal pit committee pit disease pit dwelling piteira piteous piteously piteousness pitfall

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