n. a swinging or sliding barrier that will close the entrance to a room or building or vehicle
n. anything providing a means of access (or escape)
n. a structure where people live or work (usually ordered along a street or road)
n. a room that is entered via a door
n. 门
1. Please close the door when you leave the room.
离开房间时请关上门。
2. The dog is barking at the door.
狗在门口吠叫。
3. I forgot to lock the door before going to bed.
我睡觉前忘记锁门了。