例句
He connected his guitar to a small amplifier.
他把吉他接到了一台小型扩音器上。
An amplifier can make a speaker's voice clearly audible throughout a large lecture hall.
扩音器可以让整个大型报告厅都清楚地听到演讲者的声音。
常用搭配
- a guitar amplifier｜吉他扩音器
- a power amplifier｜功率放大器
- a signal amplifier｜信号放大器
词形与相关词
amplify (v.) · amplification (n.)
用法提示
amplifier放大信号；speaker把信号转为声音。