amplifier

名词

1. 1

   扩大机、扩音器

   He connected his electric guitar to a small amplifier.

   他把电吉他接上一台小型扩大机。

2. 2

   放大器电子

   The signal is too weak without an amplifier in the circuit.

   电路里若没有放大器，讯号就太弱了。

3. 3

   加剧因素、推波助澜者比喻

   Social media acts as an amplifier for rumors and panic.

   社群媒体成了谣言与恐慌的加剧因素。