Fdma
频分多路,频分多址
🗣️ 情景例句
and get some fresh air?
呼吸一些新鲜空气呢？
Fifty-litre carboy would be the most economical size. Carboys may be retained without charge for two months.
50升的瓶子应是最经济的尺码，这些瓶子可免费保存两个月。
The landlord smiled and immediately went out.
酒店老板笑了笑，马上走了出去。