英语词汇touch needle怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	touch needle
释义	touch needle 试金针(用纯金或已知成分的金银合金制的针，用以在试金石上划一条痕，并以此作标准与金器或银器划出的条痕作比较，从而检验金、银器的纯度)
随便看	biological father bio logical father biological fingerprint biologically biologically biological magnification biological magnifications biological mother bio logical mother biological oceanography biological oil-spill control biological oxidation biological oxygen demand biological oxygen demands biological parent biological parents biologicals biological value biological values biological warfare biological warfares biologic, biological biologics biologic species biologics's

英汉双解词典包含548777条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。