Kev Tsov Rog Erodes Peb Kev Txom Nyem
Cov lus tshaj tawm. Peb tau hais ntau zaus tias kev tsov rog tau tawm tsam rau "kev ywj pheej." Tab sis thaum lub teb chaws nplua nuj sib ntaus sib tua tawm tsam cov neeg pluag (yog tias feem ntau muaj peev txheej-nplua nuj)
