closed building

• 封闭的建筑

closed building的用法和样例：

例句

1. The Biyan Building is an enclosed rectangular house.
   这碧滟楼是一座封闭的长方形围屋。
2. When the phone is closed, it lies between the two keypads.
   当手机是封闭的，它介乎二者之间键盘。