Fdma
频分多路,频分多址
🗣️ 情景例句
No one knows for certain what happened, but it's a fair bet that it was not an accident.
没有人知道究竟发生了什么，但几乎可以肯定这并非意外。
I've brought a wonderful book you might like.
我带起来了你可能喜欢的好书。
Thank you, sir.
谢谢您，先生。