和妈妈坐火车卧铺去北京

This pet animal looks docile, but in fact it is very ferocious. The cage must not be removed. When the stall owner saw Ning Cheng casually opening the cage, he quickly wanted to remind Ning Cheng. But he found that the ferocious pet he was talking about was still lingering around Ning Cheng's feet fawningly after removing the cage, and he couldn't continue what he was about to say....