Duc
abbr. [电子]数字上变频器（Digital Up Converter）
🗣️ 情景例句
The grass is greener on the other side of the fence.
隔岸风景好，邻家芳草绿。
I want to report a theft.
我要报一宗盗窃案。
We're ready! she said. Where is everyone?
“我们都准备好了！”她说，“人都到哪儿去了？”