tannoy
noun
ˈtænɔɪ
noun
1
a
system
for
giving
out
information
in
public
places
using
LOUDSPEAKERS
[英，商标] 天朗扩音系统〔一种以扩音器向公众发布消息的播音设备〕
over
the
tannoy
The
train’s
approach
was
announced
over
the
tannoy.
广播里通知火车就要进站了。