Sbu
[计]= Station Buffer Unit,站缓冲器
🗣️ 情景例句
And if it's successful,
假如成功的话，
I haven't heard from him for a long time.
我很久没有收到他的信了。
The rabbit ran to the woods and did not come back any more.
兔子跑进了森林再也没有出来了。