Afsk
[计] 音频频移键控
🗣️ 情景例句
We will help your children in learning lessons in their free time.
我们可以帮助您的孩子在他们空闲时学习功课。
I do not know whether you realize it, but this condition is essential to us.
我不知道你是否了解，但是，这个条件对我们是必要的。
Are you free later today, Mr. Green?
您今天晚些时候有空吗，格林先生？