指南针可以指示南北。A compass, zhinan zhen, ____ north and south.
2000多年前，中国人发明了它。It was ____ by Chinese 2,000 years ago.
古代的指南针像一把汤勺。The ____zhinan zhen looked like a ____.
把它放在平滑的盘子上，当它的静止的时候，勺柄就会指向南方。When the spoon was put on a plate, its ____e could point to the south.
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