英语词汇“touch needle”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	touch needle
释义	touch needle noun : a small bar of gold either pure or alloyed with silver in a known proportion for trying the fineness of a gold or silver article by comparing the streaks made by the article and the bar on a touchstone
随便看	red laurel red laver red lead red lead ore red leaf red leaf blight red leaf spot red light red lights red lily red liquor red lobelia red locust red louse red maggot red mahogany red maids red man red manganese oxide red mange red mangrove red maple red marrow red mass red meat

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touch needle