touchstone

美音音标: ['tʌtʃ.stəʊn] touchstone
英音音标: ['tʌtʃ.stəʊn] result.0.expl|add:"

同义
measure criterion touchstone standard
词性
n
解释
a basis for comparison; a reference point against which other things can be evaluated
示例
the schools comply with federal standards|they set the measure for all subsequent work