Amplified a.v.c.
[电] 放大式自动音量控制
🧩 词语组成解析
v. 放大；详述（amplify的过去分词）
🗣️ 情景例句
Who wants to begin?
谁先开始？
My brother wants to learn how to play the piano.
我的兄弟要去学弹钢琴。
What nationality are you?
你是哪国人？