Leavening cov neeg sawv cev
Cov neeg ua rau cov hmoov tshauv hais txog cov hmoov nplej uas tau ntxiv rau cov khoom siv tseem ceeb rau kev tsim cov khoom lag luam ci ci thaum ua zaub mov noj, thiab ua kom sov thiab decomposed thaum ua cov txheej txheem los tsim roj, uas ua rau lub khob noom cookie nce thiab tsim cov qauv ntxeem tau. , yog li cov khoom lag luam muaj qhov hnyav, muag lossis nkig A chav kawm ntawm cov tshuaj.