Ke xue jia jiang ke xue. Ke xue jia jiang ke xue ke xue ji liang xue Lv si mian jiang guo xue. Ba ba jiang ke xue / Hu shi jiang xi xue. Nong jia yong ke xue/ Zhong yi shang ke xue. ke xue huan xiang xiao shuo Ma la ke xue/: "jue miao"de ke xue.