Fdma
频分多路,频分多址
🗣️ 情景例句
I think I have an idea
我想我有一个办法
Suppose you couldn't go on the trip.How would you feel?
假定你不能继续你的旅行，你将感觉如何？
Do English people like boating?
英国人喜欢划船吗？