Dcd
[计] 数据载波检测
🗣️ 情景例句
When did the Roman Empire come into being?
罗马帝国是什么时候形成的？
I know the boy whose father is an attorney.
我知道那个男孩的父亲是律师。
Young people love this time of year, because it is good for sports.
年轻人喜爱这个时节，因为它适合体育运动。