Hluav taws xob unicycles tau nrov rau ntau xyoo, thiab lub tsheb sib npaug tshiab no, uas muaj lub teeb yuag thiab hloov tau yooj yim, tau nrov.Vim hais tias nws coj los ua ke tus cwj pwm, zam, thev naus laus zis thiab ib qho, uas yog, muaj cov khoom lom zem thiab cov cwj pwm, txawm tias tam sim no, muaj m ...
Nyeem ntxiv