Dcd
[计] 数据载波检测
🗣️ 情景例句
Many business people turn off their pagers and cell phones during their leisure time.
许多商人在他们的休息时间里都把传呼机和移动电话关掉。
He is a brilliant tactical negotiator.
他是一个策略高明的谈判老手。
There were English cars, French cares, German cars.Italian cars.American cars and Japanese cars.
有英国、法国、德国、意大利和日本的汽车。