1. Retort ntim hnab ntim cov kev xav tau: siv rau ntim cov nqaij, nqaij qaib, thiab lwm yam, lub ntim yuav tsum muaj cov khoom thaiv zoo, tiv taus cov pob txha qhov, thiab ua kom tsis muaj menyuam nyob rau hauv kev ua noj ua haus yam tsis muaj kev tawg, tawg, shrinking, thiab tsis muaj ...
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