Polybenzoxadiazole
[化] 聚苯并┭二唑
🗣️ 情景例句
It was his first date in two years.
这是他两年来第一次约会。
One must drink as one brews.
自作自受。
I have some difficulty in pronouncing some of the words in English.
我有些英语单词发音不好。