介绍:

lounge
休息厅，等候室
a room in a hotel, airport, theater, etc. where people can relax or wait
You could relax in the lounge while waiting for your flight.
候机的时候你可以在休息室休息一下。

restroom
洗手间，卫生间
a room with toilets that is in a public place, for example in a restaurant
Excuse me, I need to go to the restroom.
失陪一下，我去下卫生间。

bathroom
浴室，卫生间
The apartment has four bedrooms and two bathrooms.
这个公寓有四个卧室，两个浴室。

lounge bar
酒吧卡座
the part of a bar with more comfortable seating and more expensive drinks
They sat in a corner of the lounge bar until closing time.
他们坐在酒吧卡座的角落里直到结束营业。