简介：
Pottan is going to a riding camp, but ends up at a recycling center where she is taken care of by the strange staff. One day Pottan finds out that the staff are building a space rocket小孙对小李说：“我昨天看了一个新闻，说科学家发现了一种新的元素。”小李：“叫什么？”小孙：“叫‘摸鱼’，符号是‘ML’，性质是极易导致工作效率降低。”