Ua ntej tshaj plaws, qhov tseem ceeb tshaj plaws ntawm rab chais yog cov hniav.Peb cov ntsiab lus yuav tsum tau them sai sai rau thaum xaiv cov hniav.Qhov thib ib yog qhov zoo ntawm cov hniav, qhov thib ob yog qhov ntau thiab qhov ntom ntawm cov hniav, thiab qhov thib peb yog lub kaum sab xis ntawm cov hniav.Nyob rau hauv cov nqe lus ntawm zoo, lub bla...
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