totem-pole amplifier

例句：

1. 1. The totem pole amplifier is used to amplify the sound of speech.
   图腾柱放大器用于放大说话的声音。
2. 2. The totem pole amplifier was designed to improve the quality of audio signals.
   图腾柱放大器被设计用来提高音频信号的质量。
3. 3.The totem pole amplifier was used in ancient times as a means of communication between tribes.
   在古代，图腾柱放大器被用作部落之间沟通的一种手段。