Kev Txom Nyem yog hais txog qhov ntim ntawm cov kua dej tawm (lossis tawm tswv yim) tau los ntawm qhov hloov ntawm lub ntsuas qhov ntev ntawm cov kab noj hniav kaw ib zaug ntawm cov twj tso kua mis (lossis lub zog).
Feem ntau ntawm chav nyob yog ml / r (ml / kiv puag ncig). Kev hloov chaw tuaj yeem hloov mus rau hauv lub twj tso kua mis sib txawv (lossis lub zog hloov sib txawv) los ntawm kev kho kom haum, thiab qhov hloov tsis tuaj yeem hloov mus rau hauv lub twj tso kua mis (lossis lub zog hloov pauv).
