7 sentences

1. 把我的备用皇冠拿来。

   bǎ wǒ​de bèi​yòng huáng​guān ná lái.

   Bring me my spare crown.

   Source: AI Challenger 2017

2. 我去拿你的备用零件。

   wǒ qù ná nǐ de bèi​yòng líng​jiàn.

   I'll go fetch your spare parts.

   Source: OpenSubtitles

3. 只有一把备用钥匙。

   zhǐ​yǒu yī​bǎ bèi​yòng yào​shi.

   There's only one spare key.

   Source: OpenSubtitles

4. 你们有备用零件吗？

   nǐ​men yǒu bèi​yòng líng​jiàn ma?

   Do you have any spare parts?

   Source: OpenSubtitles

5. 她有一个备用计划。

   tā yǒu yī​ge bèi​yòng jì​huà.

   She has a backup plan.

   Source: CCMatrix

6. 他没有备用计划。

   tā méi​yǒu bèi​yòng jì​huà.

   He has no backup plan.

   Source: CCMatrix

7. 在这种情况下，外部的备用电池可以非常有用。

   zài zhè​zhǒng qíng​kuàng xià, wài​bù de bèi​yòng diàn​chí kě​yǐ fēi​cháng yǒu yòng.

   In this case, an external backup battery can be very useful.

   Source: CCMatrix