| 单词 | extension course |
| 释义 | Noun: extension course
Derived forms: extension courses Type of: class, course, course of instruction, course of study Part of: extension, extension service, university extension Encyclopedia: Extension course |
| 随便看 |
英语词典包含157790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。