Definition: If something is spare, it is available to use, because it is extra and not being used. Level: B1
我有很多空闲时间。
I have a lot of ___spare time.
我业余时间喜欢读书。
I like reading in my ___spare time.
我们有一间空余的卧室给客人住。
We have a ___spare bedroom for guests.
