A.f.c.
自动频率控制
🗣️ 情景例句
To advertise during prime time TV is very expensive.
在电视的黄金时段买广告是很贵的。
Today is my birthday.
今天是我的生日。
She gave her luggage to a porter and showed him her ticket.
她把行李交给搬运工并给他看了车票。