单词 loud-speaker 释义 loud-speaker|ladspik(r)|Also loud speaker, loudspeaker.[f. loud a. + speaker.]1. Any instrument for converting variations in an applied electric current or voltage (of appropriate magnitude and frequency) into corresponding sound w...
单词 loudspeaker 释义 loudspeaker (also speaker), n part of a radio, record-player, etc that changes electrical impulses into audible sounds 扩音器; 扬声器. 英汉双解词典包含38652条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。 ...