ex·tra·mu·ral /-ˈmjʊrəl/
(a.)市外的
ex·tra·mu·ral /-ˈmjʊrəl/ 形容詞
Ex·tra·mu·ral a.
1. Outside of the walls, as of a fortified or walled city.
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extramural
adj : carried on outside the bounds of an institution or
community; "extramural sports" [ant: intramural]