Ppq
abbr. polyphenylquinoxaline 聚苯基喹喔啉
🗣️ 情景例句
Uh-uh.
嗯。
Never deter till tomorrow that which you can do today.
今日事须今日毕，切勿拖延到明天。
There is a table in the room.
客厅里有张桌子。