amplifier
🇺🇸
/ˈæmplɪfaɪər/
🇬🇧
/ˈæmplɪfaɪə(r)/
noun
R
A device that makes sounds or signals stronger by increasing their power.
The music was too quiet, so we needed an amplifier to boost the volume.
音乐声音太小了，所以我们需要一个扩音器来提高音量。
translation
放大器
词形变化
Plural
amplifiers