Spare room
01
客房, 备用房间
a room in a house that is not regularly used and is available for guests or other purposes
例子
We turned the spare room into a home office after we moved in.
我们搬进来后把备用房间改成了家庭办公室。
They have a spare room where we can stay when we visit.
他们有一个备用房间，我们访问时可以住在那里。
