Fsk
[计] 频移调制, 移频键控法
🗣️ 情景例句
Don't open the door if you don't know who it is.
如果有陌生人敲门不要开门。
The wolf and fox are both privateers.
狐狸与狼，抢劫大王。
Happy Teachers' Day, Miss Zhao!Here are some flowers for you, with our best wishes.
赵小姐，祝您节日快乐！这是送您的花儿，在此谨表示我们良好的祝愿。