amplification

n. /ˌæm.plə.fəˈkeɪ.ʃən/ C1

放大；扩音

The process of making a sound or signal stronger or louder.

仙境例句

The Queen's voice needed no amplification; the whole court heard her shout.

王后的声音根本不用放大，整个法庭都听得见她的喊叫。