portable appliance

例句：

1. 1. The portable device allows you to access information on the go.
   这款便携式设备让你随时随地都能获取信息。
2. 2.The portable charger is perfect for when you need to be mobile but don't have access to a power outlet.
   便携式充电器非常适合你外出但无法使用电源插座时使用。
3. 3. This portable tool can be used to clean up small debris and dirt.
   这个便携式工具可以用来清理小的垃圾和灰尘。