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。
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。
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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