| 单词 | ring system |
| 释义 | ring systemnoun : the structure typical of a cyclic chemical compound and consisting of one or more rings (as fused rings) five- and six-membered ring systems compare skeleton |
| 随便看 |
英语词典包含469781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。