Bbn
宽频带噪声（broad band noise）
🗣️ 情景例句
I'm Ralph Riley.
我叫Ralph Riley。
Friends must part.
天下无不散之筵席。
When he had killed the guard, the prisoner of war quickly dragged him into the bushes.
那个战俘杀死卫兵以后，迅速地把尸体拖进了灌木丛。