Fdma
频分多路,频分多址
🗣️ 情景例句
No one showed the least regard for my feelings.
没有关心我的感受。
Just a few months.
才几个月。
Aunt Harriet presided over an invisible army of servants that continuously scrubbed, cleaned, and polished.
哈丽特姑妈统率着一支看不见的佣人大军，他们不停地擦拭、清扫、刷洗。