adj.户外的; 野外的; 露天的; 室外的;
例句:
Dare to walk out of door of door, country.
敢于走出家门 、 国门.
Lift window glass upward and out of door.
向上升起车窗玻璃并脱离车门.
Therefore people should go out of door as much as they can.
因此,人们应当尽可能多的到户外.