Cov ris tsho ntev tau ntev ua rau cov khaub ncaws xws li. Sij hawm dhau mus, lawv, tau kawg, poob lawv cov qub saib. Raws li qhov tshwm sim, cov lus nug tshwm sim: seb lawv yuav pov lawv, seb lawv yuav nce mus rau lwm yam? Them sai sai rau qhov kev xaiv thib ob. Ris ntauv txhav tuaj yeem yooj yim tig mus rau hauv ib daim ntaub pua rooj.
Qhov luaj li cas ntawm cov ntaub pua rooj sib txawv, nyob ntawm tus naj npawb ntawm cov ris ntauv txhav siv. Yuav pib nrog, ua tus qauv rau cov ntsiab lus los ntawm daim duab qhia. Kos ib lub trapeze nrog ib dav nyob rau hauv qab ntawm 23.5 cm, nce toj saud 5.5 cm thiab 70 cm ib roj teeb. Hauv daim duab ntsuas yog qhia nyob rau hauv nti. Txiav cov naj npawb uas yuav tsum tau ntawm cov ntsiab lus.
Los ntawm ib nkawm ris ntawm ris ntauv txhav yuav tig tawm plaub. Txo lawv ua ke los ntawm qhov tsis ncaj ncees lawm, muab daim ntawv khaws ib ncig ntawm cov npoo. Rov ua dua kom txog thaum koj ua tiav lub voj voog. Thaum lub voj voog npaj npaj rau cov nqaws.
Siv lwm cov ris ntev rau ib feem ncig, nrog txoj kab uas hla ntawm 43 cm. Koj tuaj yeem xaws ob peb daim ntaub rau ib lub voj voog. Ruaj rau nws hauv nruab nrab ntawm cov ntaub pua taw rooj thiab mus.
Cov tom kawg, tab sis tsis muaj tsawg kauj ruam kauj ruam - ntxiv cov khoom ntawm cov khoom qab los ntawm cov khoom qab.
Ntau txoj kev xaiv rau cov ris tsho txhav rau kev tshoov siab.
