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
It's a perfect day for a walk.
这可是一个散步的好天气。
What's learnt in the cradle lasts till the tomb.
小时学过的,至死不忘记。
I don't know whether you care to answer right away.