Fdma
频分多路,频分多址
🗣️ 情景例句
and I'm running for the open seat on the school board.
我正在竞选联合校董会的席次。
What have you done?
你究竟都做了些什么？
I would be very grateful for information about entry to your college.
若能寄给我贵校的入学申请材料我将十分感激。