英语词汇touchstone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	touchstone
释义	touchstone/ˈtʌtʃstəʊn/n. 1 a fine-grained dark schist or jasper used for testing alloys of gold etc. by observing the colour of the mark which they make on it 试金石(黑色的细纹理片岩或玉石，通过观察金子等合金留在其上面的划痕颜色来检验其合金成分) 2 a standard or criterion 检验标准
随便看	Rotary club rotary-wing rotatable rotate rotate rotation rotational rotationally rotative rotator rotatory rotavate Rotavator rote rote learning rotenone rot-gut rotifer rotisserie rotogravure rotor rototill Rotovator rotten rotten apple

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