英语词汇“pitchstone”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	pitchstone
释义	pitchstone /pich"stohn'/, n. a glassy volcanic rock having a resinous luster and resembling hardened pitch. [1775-85; trans. of G Pechstein. See PITCH², STONE]
随便看	regolith regorge regovern regovernment regr. regrab regradate regradation regrade regraft regrant regraph regrasp regrate regrease regreet regress regression regression analysis regressive regressive assimilation regret regretful regrettable regrind

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