Cov plaub muag hmoov tuaj yeem pab peb kos cov pob muag ntuj thiab muag muag, thaum xaiv cov plaub muag hmoov, cov xim ntawm cov plaub muag hmoov tseem ceeb heev, yog tias koj xaiv cov xim ntawm cov plaub muag tsis ncaj ncees lawm, cov nyhuv ntawm cov plaub muag kuj yuav txo qis, yog li dab tsi. yog cov xim ntawm cov plaub muag hmoov?
Feem ntau hais lus, cov xim ntawm cov plaub muag yog feem ntau muab faib ua peb pawg, xim av, grey, kas fes, hauv peb hom xim, nws tuaj yeem muab faib ua ntau pawg, xws li xim av nrog rau lub teeb xim av, kub, txiv kab ntxwv liab, xim av- liab, xim av plaub hau, thiab lwm yam; grey muaj xws li lub teeb grey, tsaus grey, kas fes xim muaj lub teeb kas fes, tsaus kas fes.