touchstone

名词

1. 1

   试金石、检验标准、准则

   Her early novel remains the touchstone for modern crime fiction.

   她早期的那本小说至今仍是现代犯罪小说的试金石。

2. 2

   基准、参照点

   Fairness should be the touchstone of any new tax policy.

   公平应该是任何新税制的基准。

3. 3

   试金石矿物

   Jewelers once rubbed gold on a touchstone to test its purity.

   珠宝匠以前会把黄金在试金石上摩擦，以检验纯度。