Fdma
频分多路,频分多址
🗣️ 情景例句
Hello. Is Mrs. Montefiore there?
喂， Montefiore太太在吗？
Knowledge is long, life is short.
吾生有涯，而知无涯。
Come to school in your old clothes tomorrow!
明天上学时请穿旧衣服来！