Ainda não temos significados para "use a loudspeaker".
1The trooper used a loudspeaker to tell Sikes to use the emergency and regular brakes and to turn off the car's engine.
2Police pushed the group back and used a loudspeaker to tell the protesters they would "proceed to the full extent of the law."
3Aaron Duncan, who lives in the complex, said the fire brigade used a loudspeaker to tell residents to evacuate about 6:00am.