5个数字三中三有多少组不重复

简介：Bao Xiaoyi was still the same, wearing a cotton-padded jacket, which made him look even bulkier, and a hat that even covered his ears. He looked quite calm in the cold winter of October. Zhou Jianxue was as thin as ever, her lips were white from the cold, and her face was red. She shrank back and was almost shaken by the biting cold wind by the river.