Cov lus qhia txog lub sijhawm siv screen rau cov menyuam yaus hnub nyoog qis dua 5 xyoos: "kev siv passive" yog dab tsi thiab yuav ua li cas txwv nws yam tsis txwv cov screen
Yuav tsum pom zoo kom menyuam yaus hnub nyoog qis dua 5 xyoos siv screen ntau npaum li cas? Cov kws tshaj lij tau teeb tsa cov kev txwv meej, tab sis tsis yog…