Cov txiv hmab txiv ntoo qhuav qhuav zoo xav tau cov khoom nyoos zoo.
Peb xav tau qhov zoo los tsim lawv. Peb cov txiv pos nphuab khov khov yog cov txiv hmab txiv ntoo uas nrov tshaj plaws.
Peb tuaj yeem khov tag nrho cov txiv hmab txiv ntoo qhuav, thiab ua rau lawv sib txawv: hlais, granule, hmoov.
