1 [C] [usu.sing] the inside part of sth 内部；里面: I'd love to see the interior of the castle. 我想看看城堡内部。interior walls 内墙 [OPP] exterior 反义词为exterior

2 the interior [sing] the central part of a country or continent that is a long way from the coast 内地；腹地；内陆

3 the Interior [sing] a country's own news and affairs that do not involve other countries 内政: the Department of the Interior 内政部