英语词汇“portfire”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	portfire
释义	Collins Concise English Dictionary © HarperCollins Publishers:: portfire /ˈpɔːtˌfaɪə/ n (formerly) a slow-burning fuse used for firing rockets and fireworks and, in mining, for igniting explosives Etymology: 17th Century: from French porte-feu, from porter to carry + feu fire
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