Tus niam tsev hmoob Qos twb tau ntev los lawm ntshe ze li ntawm 3-4 xyoos lawm, kuv hnov koj hais ib zaj dabneeg tus hluas nraug nyob deb2 ces tus hluas nkauj twb tuag lawm nws tsis paub nws tseem tuaj tham ces ib tsam tus hluas nkauj muab nws caum. Kuv rov qab mus nrhiav tsis tau mloog lawm koj puas tau muab tshem tawm ?