| loudspeaker | |
| 级别 | 第5级 |
| 音标 | [ ˌlaʊdˈspi:kə(r) ] |
| 解释 | n.扬声器，扩音器 |
| 英英释义 | a piece of equipment that changes electrical signals into sounds , especially used in public places so that large numbers of people can hear someone speaking or music playing |
| 发音 |  |
| 例句 |
1. The loudspeaker's stopped working. 扩音器不响了。 2. There is a loudspeaker in a radio. 收音机里有个喇叭。 |
