Dumbbells, raws li cov khoom siv qoj ib ce zoo tshaj plaws, ua lub luag haujlwm tseem ceeb hauv shaping, poob phaus, thiab nce nqaij.Nws tsis yog txwv los ntawm qhov chaw, siv tau yooj yim, tsis hais cov neeg coob coob, tuaj yeem sculpt txhua cov leeg hauv lub cev, thiab dhau los ua thawj qhov kev xaiv rau feem ntau b ...
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