后三单式简介：Gu Qiang, a man who looked like an iron tower, stood outside the window on the second floor, stroking the prickly beard on his chin, and said thoughtfully: This is interesting.
Gu Qiang, a man who looked like an iron tower, stood outside the window on the second floor, stroking the prickly beard on his chin, and said thoughtfully: This is interesting.
