touchstone

名詞

1. 1

   試金石、檢驗標準、準則

   Her early novel remains the touchstone for modern crime fiction.

   她早期的那本小說至今仍是現代犯罪小說的試金石。

2. 2

   基準、參照點

   Fairness should be the touchstone of any new tax policy.

   公平應該是任何新稅制的基準。

3. 3

   試金石礦物

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

   珠寶匠以前會把黃金在試金石上摩擦，以檢驗純度。