Definition: to fill a battery with electricity so that it can work again Level: C1
你应该在电池完全没电之前给它们充电。
You should ___recharge the batteries before they die completely.
当你在重要通话时手机需要充电，这很令人沮丧。
It's frustrating when your phone needs to be ___recharged during an important call.
现代智能手机可以使用无线充电器快速充电。
Modern smartphones can be quickly ___recharged using wireless chargers.
