Well, I have a spare in the bag.

我包里有备用的。

Do you have an extra battery?

还有备用的吗？

Mrs. Weasley dashed about in a bad mood looking for spare socks and quills.

韦斯莱夫人冲来冲去地寻找备用的袜子和子，心情烦躁。

Or this mother kangaroo who has a spare included.

或者这只袋鼠妈妈附赠一个备用的。

Where can I find a spare hose for the pump?

我在哪里可以找到一跟备用的机泵软管？

I seem to have dropped my spare hotel key.

我好像不小心掉出了备用的酒店房卡。

I always keep a spare key in the office.

我总是在办公室里放一把备用的钥匙.

I'm sorry. Don't you have a spare? Yeah. At home.

对不起，你没备用的吗？有，在家里。

If you're worried about getting stung, I have a backup beekeeper uniform.

如果你是蜜蜂蛰，我有备用的防蜂服。

Hospitals were damaged and are running on backup power generators.

医院遭到了破坏，现在搬到了备用的发电站里。

But if they threaten violence, I have an emergency candy bar under the sink.

要是他们反抗的话，还有个备用的巧克力棒放在水槽下面。

And unless they had back up power generators, their lights went out on Saturday night.

除非他们有备用的发电机，否则周六晚就会停电。

They looked at alternate dispensers, and again, this takes time and money to do.

生产商还查看了备用的分配器，这需要时间和金钱。

So you have extra sticks that you can grab when you need them.

这样你在需要的时候就可以拿到备用的鼓槌了。

So many children came to the party that additional tables and chairs had to be used.

参加派对的孩子太多，以致于备用的桌椅都派用场了。

'People need to know how critical it is to have blood on hand, ' he says.

“人们有必要知道有备用的血液是多么重要。”他说。

I took the temperature readings with this FLIR thermal camera and an external thermometer as a backup.

我用这台红外热像仪和一个作为备用的外部温度计来测量温度。

D) The proper procedures for renting out spare houses.

D）出租备用住房的适当程序。

If you need pants, I carry an extra pair. You know how boys are, always praying through the knees.

要是你需要裤子，我这儿有条备用的。因为男孩子总是淘气嘛。

I am packing three spare phone batteries so I don't run out of juice on my climbing trip.

我装了三块备用的手机电池，这样我的手机就不会在登山旅行中没电了。