Use a syringe device to gently direct water against the wall of the ear canal.
VOA: special.2010.03.31
She advised his parents to use a special device called a peak flow meter.
VOA: special.2009.07.28
In many countries, it is possible to buy and use a special device that will warn when harmful levels of carbon monoxide are in the area.
VOA: special.2010.02.02
Judge Melvin Wright explains how the D.C.Superior Court handles this issue: "We instruct jurors that they cannot during the course of a trial use Google or Twitter or any other electronic device to obtain information.
VOA: special.2009.08.31
应用推荐