Tannoy™
noun/ˈtænɔɪ/
/ˈtænɔɪ/
(British English)- a system with loudspeakers used for giving information in a public place
天朗扩音系统 - to make an announcement over the Tannoy
通过天朗扩音系统发布通知
Word Origin1920s: contraction of tantalum alloy, which is used as a rectifier in the system. - to make an announcement over the Tannoy