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Valence Zej Zog

Lub zej zog valence, sib tham, thiab kev sib txuas lus.

37 TUS NEEG

TAG NRHO

valence

4 yam tsab xov37 tus ntsuj plig

Tsis tau muaj kev tshaj tawm!

Ntsib Neeg Tshiab

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