enter的名词entrance；
entrancen.大门(口)；入口(处)；通道；进入；
v.使狂喜；使入迷
What is the minimum entrance requirement for this course?
这个学程的基本入学条件是什么？
The police were unable to gain entrance to the house.
警方怎么也进不去这栋房子。
A high gate blocks the only entrance to the rear.
一座高大的门挡住了通往后面的唯一入口。
