Pbx
[计] 专用小型交换机
🗣️ 情景例句
I thought you wanted to go to Columbia.
我还以为你只想上Columbia大学。
The cow that's first up gets the first of the dew.
早起母牛先得露。
At the age of eight, he joined a group of child dancers.
8岁时参加了儿童舞蹈团。