battery-powered
01
电池供电的, 使用电池的
using a battery as the main source of energy to operate a device or equipment
例子
He bought a battery-powered flashlight for camping trips.
他为露营旅行买了一个电池供电的手电筒。
They use a battery-powered fan during power outages.
他们在停电期间使用电池供电的风扇。
