electricity的形容词形式是什么意思

Translators can now work from home, via electronic mail systems

翻译人员现在可以利用电子邮件系统在家里工作了。

Police keep track of the kidnapper using electronic surveillance equipment.

警方利用电子监视设备跟踪绑架者。

The main electricity supply had been sabotaged by the rebels.

叛乱者破坏了供电干线。