charge and discharge statement as to principal

例句：

1. 1. The battery needs to be charged before it can be used.
   电池需要充电才能使用。
2. 2.The police are charging the suspect with murder.
   警方正在对嫌疑人提起谋杀罪的指控。
3. 3. He was charged with stealing from the store.
   他被控从商店盗窃。
4. 1. The electric motor discharges electricity into the circuit.
   电动机向电路中放电。
5. 2.The firefighters were instructed to discharge water onto the blaze.
   消防员被指示向火源喷水。
6. 3.The patient was discharged from the hospital after a week's recovery.
   病人在一周的康复后出院。