niu niu de pin yinniu niu shi yi ge jian dan er you qu de ci hui zu he,ta ke yi rang ren men lian xiang dao hen duo gua nian de dong xi。bi ru,“niu” zai Han Yu zhong ke yi zhi da
yuan quan de pin yin zen me xie“Yuan quan” zhi de shi yi ge wan zheng de yuan xing, ta zai shu xue he ri chang sheng huo zhong dou you zhe zhong yao di wei. “Yuan quan” zhe ge ci hui