Title: Biao zhun ri yu fa yin
Description: Ben shu zhu yao jie shao le ri yu yu yin ji chu zhi shi,Ri yu de fa yin,Ri yu de ci diao he ju diao,Zhong guo ren ri yu fa yin de chang jian wen ti.
Subjects: Ri yu, Zi xue can kao zi liao, Yu yin