I always keep a sparepart in my car for emergencies.

我总是在车里备有一个备用零件以防紧急情况。

You should order a sparepart before the machine breaks down.

你应该在机器坏掉之前订购一个备用零件。

The technician replaced the broken component with a sparepart.

技术员用一个备用零件替换了损坏的部件。

Finding the right sparepart can be challenging for older models.

为旧型号找到合适的备用零件可能很有挑战性。

The store has a wide selection of sparepart for various appliances.

这家商店有各种电器的广泛备用零件选择。