用法: 2 set of rooms, usu furnished and rented, esp for a holiday 一套房间（通常设有家具供出租, 尤指为度假用的）.
用法: 3 (often pl 常作复数) single room in a house, esp a large or famous one 厅堂; 殿堂: You can visit the whole palace except for the private apartments. 整个宫殿都可以参观, 只有内殿不开放.