对于保持在厌氧的条件下的密封良好的容器,气体的产生足够引起肉眼可见的胖听。
For tightly sealed containers that maintain anaerobic conditions, the gas production is sufficient to cause visible swelling of the container.
月亮为什么有时胖,有时瘦呢?它有时听妈妈的话,好好吃饭;有时淘气,不好好吃饭。
Why does the moon sometimes become fat, and sometimes thin? Because it sometimes waits for the mummy's reply, and eat much; sometimes it is naughty, and eat less.
月亮为什么有时胖,有时瘦呢?它有时听妈妈的话,好好吃饭;有时淘气,不好好吃饭。
Why does the moon sometimes become fat, and sometimes thin? Because it sometimes waits for the mummy's reply, and eat much; sometimes it is naughty, and eat less.
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