rec room /rɛk rʊm/

• 1. 

  N-COUNT A rec room is a room in a house that is used for relaxation and entertainment. 娱乐室 [美国英语]

  例：

  Down in the rec room I lay on my side under the pool table.

  在下面的娱乐室里，我侧躺在台球桌下。