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amplifier noun

  /ˈæm.plə.faɪ.ə/ , /ˈæm.plə.faɪ.ɚ/ , /ˈæm.plə.faɪɹ/
  • Anything that amplifies, or makes something larger or more intense.
  • (electronics) An appliance or circuit that increases the strength of a weak electrical signal without changing the other characteristics of the signal.
 アンプ, 増幅器

amplify

敷衍
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