Dab tsi yog cov khoom ntim khoom noj

Cov khoom ntim cov yeeb yaj kiab ua haujlwm zoo li qhov tsis pom kev tiv thaiv rau cov zaub mov, feem ntau ua haujlwm kom cais tawm ntawm cov kab mob sab nraud thiab tswj nws qhov tshiab. Cov yeeb yaj kiab no feem ntau yog ua los ntawm cov yas tshwj xeeb thiab muaj cov yam ntxwv ntawm nws cov pob tshab, hloov tau yooj yim, thiab cov khoom sib khi zoo heev. Cov yeeb yaj kiab uas siv los qhwv zaub, nqaij, lossis zaub mov hauv khw muag khoom yog cov piv txwv zoo.