touch stone [岩] 试金石 ; 触摸石头 ; 外教剑桥
Touch-stone of Fire 火的点金石
touch stone company 试金石公司
touch up stone 触摸起来的石头 ; 石修饰
Stone touch 石之触
以上来源于: WordNet
N-COUNT If you use one thing as a touchstone of another, you use it as a test or standard by which you judge the second thing. 试金石; 标准 [usu N 'of/for' n]
Job security has become the touchstone of a good job for many employees.
对许多雇员来说，工作的稳定性已经成了一份好工作的标准。
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