entrance                
noun uk/ˈen.trəns/ us/ˈen.trəns/
A2 [ C ]入口;大门(口);通道 
a door, gate, etc. by which you can enter a building or place
  There are two entrances - one at the front and one around the back. 有两个入口,一个在前面,另一个在后面。 
 Opposite: exit (LEAVING)
 C2 [ C usually singular ](演员的)入场,登场 
the act of coming onto a stage, by an actor or dancer
  He makes a spectacular entrance in act two draped in a gold sheet. 在第二幕,他身披金袍上场,光彩炫目。 
  [ C usually singular ]进入;进门 
the act of a person coming into a room in an ordinary situation, although often because there is something noticeable about it
  I noticed her entrance because she slipped and fell in the doorway. 她进来时我注意到了,因为她在门口滑了一跤。 
 B1 [ U ]进入权;进入许可 
the right to enter a place
  The management reserve the right to refuse entrance. 管理部门保留拒绝他人入内的权利。 
 - More examples
 - They dropped me off at the main entrance.
 - The visitors filed through the entrance to the ticket offices.
 - There are guards posted at every entrance.
 - We'll meet you at the entrance.
 - They turned us away at the entrance because we hadn't got tickets.