Boxing black
Koom nrog peb Whatsapp rooj sab laj. Whatsapp pawg tsinghua / mİT. Koj tuaj yeem khaws koj tus kheej kom zoo nrog cov kev tsim kho tshiab tshaj plaws, cov xwm txheej, thiab tiam neeg los ntawm kev ua ib feem ntawm cov pawg uas cuam tshuam rau koj cov kev nyiam. Qhov no yog ib qho muaj txiaj ntsig zoo nyob rau hauv cov ntsiab lus ntawm xov xwm, kev kawm, lossis pawg kev lag luam tshwj xeeb.
