door哪个意思

　　Many patients are trapped in a revolving door of admission, discharge, and readmission.

　　许多病人陷入了入院、出院、再入院的.怪圈里。

　　pounding on the door, she shouted at the top of her voice.

　　她一边嘭嘭擂门，一边大声喊叫。

　　Opposite the front door was a staircase which I proceeded to climb.

　　前门对面是我接着要爬的楼梯。

　　The door was thrown open and a uniformed guard entered the room.

　　门被撞开后一名穿制服的警卫走进了房间。

　　She blew out the candle and groped her way to the door.

　　她吹灭了蜡烛，摸索着走到门口。