Daim kab xev npog siv rau dab tsi?
Npog daim kab xev, ib hom ntawm cov khoom siv npog, feem ntau yog siv los npog cov xim, npog cov xim thiab kho kom zoo nkauj sab hauv thaum pleev xim rau tsheb, nkoj, tsheb ciav hlau, cab, rooj tog, thiab lwm yam.
saib kom meej