| 短语 | the frontiers of knowledge / physics etc |
| 释义 | the frontiers of knowledge / physics etc the limits of what is known about something知识/物理学等的新领域:push back the frontiers ( = discover new things )开拓新领域 |
| 随便看 |
英语短语词组词典共收录525608条英汉双解短语词组词条，基本涵盖了全部常用短语词组的翻译及用法，是英语学习的有利工具。