amplify
verb- [transitive] amplify something
to increase something in strength, especially sound 放大，增强（声音等） to amplify a guitar/an electric current/a signal 放大吉他声音；增强电流／信号
- [intransitive, transitive] (formal)
to add details to a story, statement, etc. 阐发，充实（故事、事情、陈述等）
Word Originlate Middle English (in the general sense ‘increase, augment’): from Old French amplifier, from Latin amplificare, from amplus ‘large, abundant’.