n. 卧房, 卧室, 寝室

[ noun ]
a room used primarily for sleeping
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Bedchamber \Bed"cham`ber\, n.
A chamber for a bed; an apartment form sleeping in. --Shak.

{Lords of the bedchamber}, eight officers of the royal
household, all of noble families, who wait in turn a week
each. [Eng.]

{Ladies of the bedchamber}, eight ladies, all titled, holding
a similar official position in the royal household, during
the reign of a queen. [Eng.]