手机充电器插在床边的插座上。

The phone charger is plugged into the ___outlet near the bed.

在将插头插入插座之前，请确保电器已关闭。

Make sure the appliance is off before inserting the plug into the ___outlet.

这个房间的插座数量不足，无法满足我们所有的电子设备需求。

This room has insufficient ___outlets for all our electronic devices.