Pbx
[计] 专用小型交换机
🗣️ 情景例句
Sorry, I'm afraid I'm busy tonight.
对不起， 今晚我恐怕没空。
Britain is behind Japan in developing modern technology.
在发展现代技术方面，英国落后于日本。
After this he immediately lets himself in and begins barking again.
出去之后，它又马上把自己放进来，接着再开始叫。