Ntsuas Cov Seem Ntsaum Tsis Rov Tuaj

Ntsuas Cov Seem Ntsaum Tsis Rov Tuaj

Nruam crateless retorts kom tsis muaj menyuam kab tau kov yeej ntau txoj kev khuam siab hauv kev lag luam kom tsis muaj menyuam, thiab txhawb txoj kev no rau ntawm kev ua lag luam. Lub kaw lus muaj cov thev naus laus zis pib ua kom zoo, cov thev naus laus zis zoo, ua kom tsis muaj kab mob zoo, thiab cov qauv yooj yim ntawm kev tuaj yeem ua qauv qhia tom qab kom tsis muaj menyuam. Nws tuaj yeem ua tau raws li qhov yuav tsum tau ua ntawm kev ua tiav thiab ua ntau lawm.

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