Extramural
a. 市外的, 机构以外的\\n[医] 壁外的
✅ 同义词
📖 牛津释义
extramural
adj[usu attrib 通常作定语]
1 (of university teaching, courses, etc) for people who are not full-time residential members of a university （指大学教学、 课程等）为校外学生的
extramural studies, lectures, courses, students 大学校外课程的学习、 大学校外课程的授课、 大学的校外课程、 大学校外课程部的学生
the extramural department of a university 大学的校外课程部.
2 (of work, etc) not done as part of one's official (paid) duties （指工作等）业余的
on an extramural basis 在业余的基础上.
🗣️ 情景例句
Here you go, sir.
可以，先生。
The fox that had lost its tail would persuade others out of theirs.
一条狐狸丢尾巴，就劝旁的也丢它。
In this way, he has begun his own private 'telephone' service.
就这样，他开始自己的私人“电话”业务。