Af amplifier
[电] 声频放大器
🧩 词语组成解析
n. 音频\\n[计] 高级功能, 运算标志
🗣️ 情景例句
She took a medical course.
她选读医学课程。
He is embarrassed because he made a mistake.
他因为弄错而显得很窘。
For a whole week I did not smoke at all and during this time, my wife suffered terribly.
整整一个星期我根本没有吸烟。在此期间，我妻子吃尽了苦头。