megaphones
n. 扩音器( megaphone的名词复数 )
A megaphone is a cone-shaped device for making your voice sound louder in the open air.
The conference hall was installed with radio sets and megaphones.
会场里设置了收音机和扩音器.
When the gates finally opened we filedandinto lines by official women shouting through megaphones.
进站的门一开,我们便一涌而上,有个妇女对着喇叭大声叫我们排好队.