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
Does anyone have any complaints?
谁有什么不满意的地方吗？
What kind of quality control do you have?
你们用什么办法来控制质量呢？
You'd better not go inside. There might be snakes.
你最好不要进去。说不定有蛇呢。