Lub nruas ntoo yog cov khoom siv ntub dej ntau tshaj plaws hauv kev lag luam tawv.Tam sim no, tseem muaj ntau lub tuam txhab me me hauv tsev tannery tseem siv cov ntoo me me, uas muaj qhov tshwj xeeb me me thiab muaj peev xwm thauj khoom me me.Cov qauv ntawm lub nruas nws tus kheej yog yooj yim thiab ba ...
Nyeem ntxiv