Pon
abbr. [计]无源光网络（Passive Optical Network）；[医]副氧化脢；[石]粒状有机氮
🗣️ 情景例句
I have to leave. I feel terrible, but...
我得走了。真是糟糕透了， 但……
What's the matter with you?
你怎么啦？
All we have to do is sign the contract.
剩下的只要签订个契约就行了。