Artificial intelligent assistant

extramural

extramural
/ˌekstrəˈmjuərəl; ˌɛkstrə`mjʊrəl/ 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.

牛津英汉双解词典

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