amplifier/ˈæm.plə.faɪ.ɚ/名词扩音器,扬声器The guitarist plugged his electric guitar into the amplifier to make sure his solos could be heard clearly during the concert.吉他手将他的电吉他插入放大器,以确保在音乐会上他的独奏可以清晰地被听见。想跟读,去练习