Edison kinetoscopic record of a txham, January 7, 1894 | Library of Congress.
Vim li cas hu ua txham?
ua tsaug! Raws li nrog ntau cov lus qhia, nws nyuaj rau qhov tseeb hais tias lo lus ' txham' los ntawm, tab sis nws feem ntau xav tias nws pib nrog Indo-European lo lus 'penu' - ua pa. Thaum kawg, qhov no hloov zuj zus mus rau lo lus Qub Siab German 'fnehan,' kuj txhais tau tias ua pa.
3 txham txhais li cas?
Ib txham txhais tias tib neeg hais lus zoo txog koj; ob txhas ua ke txhais tau hais tias tib neeg hais lus phem txog koj; peb txham ua ke yog kos npe tias ib tug neeg hlub koj los koj yuav poob rau kev hlub sai. Plaub los yog ntau tshaj qhov txham txhais tau tias muaj kev kub ntxhov yuav tshwm sim rau tus neeg lossis lawv tsev neeg.
Vim li cas tib neeg txham?
Txawm tias nws yog tshuaj tiv thaiv kab mob, kis kab mob, hloov pauv hauv qhov kub thiab txias lossis lub teeb ci ntsa iab, koj lub qhov ntswg ua rau ntxhov siab. Thaum qhov no tshwm sim, koj lub cev ua li cas nws yuav tsum tau ua kom tshem tawm cov pesky irritant - nws ua rau koj txham, los yog hu ua sternutation.
Vim li cas kuv txham 20 zaug ua ke?
Tshwj tsis yog txham ib zaug lossis ob zaug, qee tus neeg ua dua thiab dua. Kuv tus khub feem ntau txham 20 lossis 30 zaug ua ntu zus. Puas yog qhov no tshwm sim, thiab puas muaj kev piav qhia? Muaj ib qho mob me me hu ua photic txham reflex, lossis autosomal compelling helio-ophthalmic outburst (ACHOO) syndrome.
