bullhorn
/ˈbʊlˌhɔːrn/
American
- n. 扩音器, 喊话筒
- Definition
- n. a portable device that makes a person's voice louder outdoors
- Example
- The coach shouted instructions through a bullhorn across the field.
- 教练用扩音喇叭隔着球场喊出指令。