Ntawm lub nruas ces yeej yog li koj hais nawv. Qhov uas thaum muaj 1 tug tuag es lawv siv. Mas tsuas siv ceeb toom kom suav cov tub rog nhov tias, mhoob cov tub rog lawv tseem txhib nruas qeeg nkaws li no npaj tuaj tua Suav lawm thiab no. Es kom suav ntshai xwb.