Pcdds
[计]= Private Circuit Digital Data Service,专用电路数字数据业务
🗣️ 情景例句
It puts you to sleep.
它让你很快入睡。
If you want a thing (well) done, do it yourself.
要想做好事情，就要自己动手。
Tazieff was able to set up his camp very close to the volcano while it was erupting violently.
当火山正在猛烈地喷发时，塔捷耶夫有办法把帐篷搭在离它非常近的地方。