Cov hnab ntim kub resistant retort muaj cov khoom ntim ntev, ruaj khov cia, tiv thaiv kab mob, kev kho kub kom tsis muaj menyuam, thiab lwm yam, thiab yog cov khoom ntim zoo. Yog li, dab tsi tseem ceeb yuav tsum tau them sai sai rau cov qauv, xaiv cov khoom, ...
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