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
And miles to go before I sleep,
在我就寝前还得赶许多哩路
I often go to bad at night.
我常常在晚上睡觉。
Can you spell it, please?
请您把它拼出来好吗？