线鳍电鳗（Sternopygusmacrurus）是种使用电场感知周边环境的鱼类，在休息的时候会减弱信号以节约能量。

Fish that use electric fields to sense their environments dim their signals to save energy during the day when they are resting.

youdao

换句话说，它的运行可以不需要电源线或电能，仅仅依赖周围环境中恒有的些许能量，如人体体温。

In other words, it can run without need of a power lead or battery, relying instead on some energy constant in the environment in which it functions e. g. the human body.

youdao

换句话说，它的运行可以不需要电源线或电能，仅仅依赖周围环境中恒有的些许能量，如人体体温。

In other words, it can run without need of a power lead or battery, relying instead on some energy constant in the environment in which it functions e. g. the human body.

youdao