battery-operated

基本解释

I packed battery-operated flashlights to be used to case of power failure.
我在包里装进了使用电池的手电筒，以备万一停电时使用。
But are we paying a high environmental price for all of this battery-operated convenience?
但是为了所有由电池操纵而带来的方便，我们是否正向大自然付出代价呢？
Listen to a portable, battery-operated radio (or television) for updated emergency information and instructions.
如果可能的话，通过收音机（注意保存电池），电视机等了解最新情况信息和指示。

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