英语词汇“rocket apparatus”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	rocket apparatus
释义	rocket apparatus noun A device used to fire a line from the shore, a lifeboat, etc., to a shipwreck as a means of rescuing the people on board. Invented in 1808 by Henry Trengrouse (1772–1854).. Origin Early 19th century.
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rocket apparatus