Thaum muaj kev sib kis, lub tuam txhab tau teeb tsa kev yuav khoom thiab pub dawb ntawm cov khoom siv tiv thaiv kab mob sib kis thiab pab txhawb nws lub zog thaum lub sijhawm tshwj xeeb.
Thaum muaj kev sib kis, lub tuam txhab tau teeb tsa kev yuav khoom thiab pub dawb ntawm cov khoom siv tiv thaiv kab mob sib kis thiab pab txhawb nws lub zog thaum lub sijhawm tshwj xeeb.