6个数有几组三中三简介：really! Xiao Xiaobai's eyes lit up when he saw the entrance of the passage. He eagerly entered it curiously, walked down the sloping stone steps, and came to a dark underground stone chamber.
really! Xiao Xiaobai's eyes lit up when he saw the entrance of the passage. He eagerly entered it curiously, walked down the sloping stone steps, and came to a dark underground stone chamber.
