primed charge

例句：

1. 1. The battery needs to be primed before it can be used.
   电池在使用前需要预充电。
2. 2. The car's engine needs a precharge before starting.
   汽车的引擎在启动前需要预充电。
3. 3.The power bank has a precharge feature that allows you to quickly recharge your phone without needing to plug it in.
   这款移动电源具有预充电功能，可以让你快速为手机充电，无需插电。