Aac
abbr. 自动振幅控制（automatic ampltiude control）
🗣️ 情景例句
May I have your name and number, please?
请问你的姓名和电话号码？
He tries to button his own shirt,but he can't do it.
他试着扣好他的自己的衬衫，但是他不能做到。
Drop by anytime.
随时欢迎参观者。