词语touchstone
解释检验标准
touchstone〔名词〕试金石详细»
touchstone〔名词〕标准,试金石,检验详细»
touchstone〔名词〕标准详细»
touchstone试金石详细»
touchstone〔名词〕试金石,标准,检验详细»
检验标准inspecting standard详细»