Narrowband isdn
[计] 窄带综合服务数字网络
🧩 词语组成解析
[计] 窄带
Integrated Services Digital Network 综合服务数字网;
🗣️ 情景例句
Richard, these are terrific pictures. Richard
这些照片真棒。
To sing a song
唱歌
I think I've caught a cold.
我想我得了感冒。