Aac
abbr. 自动振幅控制（automatic ampltiude control）
🗣️ 情景例句
often took us somewhere in the city on the weekends.
经常在周末带我们去城市的一些地方。
The school is two miles straight ahead.
那学校一直向前两英里。
They are only too delighted to accept the invitation.
他们非常乐意接受邀请。