Acoustic amplifier
[电] 声放大器
🧩 词语组成解析
acoustic
[ə'ku:stik]
adj. 听觉的;声学的;原声的;音响的;
🗣️ 情景例句
Come on, darlings.
来， 亲爱的。
The chemist is testing enzymes.
化学家在试验着酶。
He added that a student had dressed up as a policeman and was playing all sorts of silly jokes on people.
还对工人说，有个学生常装扮成警察无聊地同别人开玩笑。