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
Language is for the exchange of idea, for communication.
语言是用来交换思想，用来交流的。
I ask him to see the doctor.
我要求他去看医生。
That's fantastic!
那真是棒极了！