This noun refers to a device that increases the volume or strength of sound or an electrical signal.
这个词是名词，指一个能够放大声音或信号的设备。
| 单词 | amplifier |
|---|---|
| 发音 | ['æmplɪfaɪə] |
| 释义 | n. 放大器，扩大器；扩音器 |
| 词序 | 16077 |
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