Pbb
abbr. 多溴联苯（polybrominated biphenyl）
🗣️ 情景例句
Thank you so much, I love you gift!
非常多谢你，我很喜欢你的礼物！
Excuse me,sir.Can you give me some information
对不起,先生.你能给我一些信息吗？
The whole village has been working day and night gathering and threshing this year's crop before the September rains.
全村的人都日夜奋战，要赶在9月的雨季之前把今年的庄稼收获上来，打完场。