spare

I spend my spare time reading.

我把空闲时间用来看书。

The store sells spare parts for bicycles.

这家商店出售自行车备用零件。

They have a spare room for visitors.

他们有一间供客人使用的备用房间。

She lent me her spare key to the apartment.

她把她公寓的备用钥匙借给了我。

He put a new spare tire in the back of the truck.

他在卡车后面放了一个新的备用轮胎。

I like to read novels in my spare time.

我喜欢在空闲时间读小说。

He has a spare tire around his waist.

他腰上有一圈赘肉。

Dad will go spare when he sees the mess.

爸爸看到这一团乱会气疯的。