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
I have been learning English for three years now.
我学英语有3年了。
His hand is swollen, Does it hurt?
他的手肿起来了，疼不疼？
Yes, I remember.
我想起来了。