Pcdds
[计]= Private Circuit Digital Data Service,专用电路数字数据业务
🗣️ 情景例句
We have two and a half hours.
还有两个半小时。
Hope is a good breakfast, but a bad supper.
希望是美味的早点，但又是难咽的晚餐。
I'm not hungry. I'm full!
我不饿。我饱了！