battery-operated

基本解释

I packed battery-operated flashlights to be used to case of power failure.
我在包裡裝進了使用電池的手電筒，以備萬一停電時使用。
But are we paying a high environmental price for all of this battery-operated convenience?
但是爲了所有由電池操縱而帶來的方便，我們是否正曏大自然付出代價呢？
Listen to a portable, battery-operated radio (or television) for updated emergency information and instructions.
如果可能的話，通過收音機（注意保存電池），電眡機等了解最新情況信息和指示。

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