Pbb
abbr. 多溴联苯（polybrominated biphenyl）
🗣️ 情景例句
I couldn't have said it better.
我想说的也是这个意思。
I will talk more about that in a moment.
目前我要多讨论那个问题。
I've looked round the whole school. I can't find it anywhere.
“我整个学校都找过了。我就是找不到它。”