Pbb
abbr. 多溴联苯（polybrominated biphenyl）
🗣️ 情景例句
If we hire you, how long will you stay with us?
你打算给我们工作多久？
Fools rush in where angels fear to tread.
智者裹足不前，愚者铤而走险。
There was nothing in the record to show that the foreigner's complaint was justified and the Chief of Police strongly denied the accusation.
材料中没有任何文字记载证明外国人所说的情况符合事实，警察局长矢口否认这一指控。