| 单词 | touchstone |
| 释义 | touchstone n. 1. a fine-grained dark schist or jasper used for testing alloys of gold etc. by marking it with them and observing the colour of the mark. 2. a standard or criterion. |
| 随便看 |
英语词典包含43808条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。