Bda
abbr. Booster-Distribution Amplifier 升压器分配放大器
🗣️ 情景例句
Yes, he's my brother.
是的。他是我哥哥。
I ask him to see the doctor.
我要求他去看医生。
Boys' relay: The winners -- Class 3! (Hooray!) Well done!
男子接力赛：获胜者--3班！（好！）干得好！