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
I can't wait much longer.
我再也不能等了。
Some students quit school due to poverty.
一些学生因贫困而辍学。
They did not pay any attention.
他们却毫不理会。