loudspeaker
noun
ˌlaʊdˈspiːkə
noun
1
a
piece
of
equipment
used
to
make
sounds
louder
扩音器，喇叭
from/over/through
a
loudspeaker
The
voice
over
the
loudspeaker
(=using
the
loudspeaker)
said
the
flight
was
delayed.
喇叭里传来声音说航班误点了。
2
a
SPEAKER
(3)
扬声器