1. This book became a touchstone for modern literature.
这本书成为现代文学的重要标准参考。

2. Freedom of speech is a touchstone of democracy.
言论自由是民主制度的重要衡量标准。

3. The experiment served as a touchstone for future research.
该实验成为未来研究的参考标准。

4. Her honesty is a touchstone in our friendship.
她的诚实是我们友谊的重要准则。

A: How do we judge the quality of this project?
A：我们如何判断这个项目的质量？

B: We can use previous successful cases as touchstones.
B：我们可以用以前的成功案例作为标准。

1) 用作衡量事物价值的标准或基准

2) 在文学或文化中代表重要参照点

3) 指测试理论或观点正确性的依据

4) 泛指判断好坏的重要参考

1. 试金石；标准；衡量尺度

e.g. Equality is a touchstone of justice.
平等是正义的衡量标准。

2. 重要参照物；判断依据

e.g. This event became a touchstone for policy changes.
这一事件成为政策变化的参考依据。

noun

1. A standard or criterion by which something is judged or recognized.

Synonym: benchmark, standard, criterion