Dbj
[电] 用以表示相对于射频讯号基准的单位
🗣️ 情景例句
I could probably tell what it requires to fix it up.
我大致能说出修复它需要些什么。
Change the subject.
说点别的吧！
The children compete against each other to reach the other end of the pool.
孩子们比赛看谁先到达游泳池的另一端。