laval

例句：

1. 1. The lavatory is located in the back of the building.
   洗手间位于大楼的后面。
2. 2. The new lavatory has been installed in the lobby.
   新安装的洗手间位于大厅。
3. 3. She took a long shower and then used the lavatory.
   她洗了很长时间的澡，然后去洗手间。