EPISODE · Nov 26, 2017 · 9 MIN
气候·地球 | 为什么说氧气有“毒”？
from 给孩子的博物学
植物的呼吸并不是吸入二氧化碳排出氧气，植物呼吸也需要吸收氧气，排出二氧化碳。只不过，它们自带一个氧气工厂，靠阳光、水和二氧化碳的作用产出氧气，满足自己的同时，还能释放出多余的氧气。
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气候·地球 | 为什么说氧气有“毒”？
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