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【科学嬉游记】生物如何获得能量——发生在包菜内的噩梦
菜园里，蔬菜沐浴着阳光，长得绿油油的。瞧，包菜里探出一只小青虫，它不停鼓动着腮帮，吃得可欢了。这时，一只身形庞大的蜗牛爬了过来，几口就把一排包菜吞下了肚。 更多知识内容，欢迎关注微信公众号 科学嬉游记
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