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。