Aac
abbr. 自动振幅控制（automatic ampltiude control）
🗣️ 情景例句
And you'll have a full day in the country.
你们就可以在乡下待一整天啦。
The law is not the same at morning and at night.
早上的法令跟晚上的不一样；朝令夕改。
I think you need a number 47. The bus stop is along that road, on the right.
我想你需乘47路车。