英语词汇“touch needle”的读音、翻译、释义、用法及例句-高考报名网

词汇	touch needle
释义	touch needle n.（名词 noun）试金针（用纯金或金银合金制的针,通过比较金、银器件与试金针分别在试金石上划出的条痕来检验金、银器的纯度）
随便看	barricado barrico Barrie contract contractable contract bridge contract carrier contracted contractible contractile contractile cell contractile vacuole contraction contractive contract marriage contract note contractor contractual contracture contracyclical contra dance contradict contradiction contradiction in terms contradictious

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