Koj yuav pom cov tswv yim nthuav dav ntawm cov daus daus. Rau kev tsim cov daus daus yuav xav tau xim dawb lossis xim, xaum qhuav thiab txiab. Thiab tseem ceeb tshaj plaws, me ntsis kev npau suav thiab nthuav cov tswv yim rau kev tshoov siab.
Ib qho chaw