Open the battery box, install three AAA batteries according the polarity mark in the battery box.

打开电池盖，按电池盒上标识的电池极性装入三节七号电池。

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When she suspected the cats were not using the litter box in the basement, the robot was sent below to watch. The battery ran out long before we spotted any wayward cat.

当她怀疑猫没有使用地下室的垃圾箱的时候，就会派机器人下去视察，但在它发现任何一只任性的猫之见，就已经没有电了。

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They also found two kitchen timer units, two toggle switches attached to the timers in a plastic lunch-type box and a vehicle battery in the front passenger foot well.

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Each of the relevant muscles has been wired up to the internal box (which is powered by electrical induction from a battery in the external one).

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The measures include a battery box aimed at insulating lithium-ion cells from one another in order to prevent their overheating, as well as a venting mechanism for fumes, according to officials who spoke on condition of anonymity.

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