On average, each adolescent reported using some kind of media five and one-half hours a day.
VOA: special.2009.03.10
"I mean every day there's some kind of recall one or another coming from China."
VOA: standard.2010.05.27
He and other researchers found that more than half of some 14,000 patients in the study on that one day, developed infections in intensive care units.
VOA: standard.2009.12.08
应用推荐