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    纣王的不懈努力妲己终于怀孕了,不幸的是,有一天妲己散步的时候被一块石头绊倒了,栽了下去,流产了。 纣王看到崩溃地大喊:“己你胎没!己你石栽使胎没!!!”大臣们都痛呼:“哦!悲!悲!悲!悲! ” 有天我捡到一块磁铁,发现它的S极和N极居然是互逆的!正好我手里拿了块镁条,就把它放了上去,镁条居然受到一股力的作用被缓缓抬升!我十分惊诧,把这种现象命名为“极逆抬镁。”

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