怎么判断长龙或单跳简介：Seeing this group of crying men kneeling on the ground one by one and crying bitterly, Chen Xiaolong felt very uncomfortable and quickly stepped forward to help the old man kneeling in the front row.
Seeing this group of crying men kneeling on the ground one by one and crying bitterly, Chen Xiaolong felt very uncomfortable and quickly stepped forward to help the old man kneeling in the front row.
