the touchstone
常见例句
- That is the touchstone of our efforts in all these areas.
对于我们在所有这些方面的努力，这是一个试金石。 - Egypt is the most important Arab country and the touchstone for change in the Arab world.
埃及是最重要的阿拉伯国家，也是阿拉伯世界改革的试金石。 - It had grown into a habit， to pick up pebbles and touch the chain， and to throw them away without looking to see if a change had come； thus the madman found and lost the touchstone.
拾起小石去碰碰那条链子，然后不看看变化与否，又把它扔掉，这已成了习惯；就是这样，这疯子找到了又失掉了那块点金石。 - For example, the touchstone of Senator Kerry's claim to strength was his service in Vietnam.
CENTERFORSECURITYPOLICY: The anti-strength candidate 返回 the touchstone