Aac
abbr. 自动振幅控制（automatic ampltiude control）
🗣️ 情景例句
I'll get through this work by noon.
我会在中午以前完成这项工作。
For a few, scholarships were sources of support.
有少数人，奖学金是他们接受教育的学费来源。
How many instruments do you play?
你能演奏多少种乐器？