When they discharged it, lithium ions and electrons were released from the anode.

当放电时，锂离子和电子被从正极释放。

youdao

"There has got to be an entire system review of why it is ambulances are held, why hospitals can't clear people through the emergency department and it will probably be looking at why people can't be discharged from hospital when they are ready to be discharged, " he told BBC Radio Wales.

BBC: Ambulance service miss emergency response times