Rau ntau lub iav yog ib yam khoom tseem ceeb txhua hnub, txawm tias lawv yog tsom iav, tsom iav, lossis tsom iav xiav. Thaum lub sij hawm, hmoov av, roj, thiab cov ntiv tes inevitably sib sau rau ntawm lub tsom iav. Cov impurities me me no, yog tias tsis muaj neeg saib xyuas, tsis muaj ...
Nyeem ntxiv