Pbb
abbr. 多溴联苯（polybrominated biphenyl）
🗣️ 情景例句
With a piece of meat on a string!
用一根绳子拴着一点肉
A friend in court is better than a penny in purse.
曩中有钱，不如朝中有友。
CUSTOMS OFFICER: Are these your cases?
这些是你们的箱子吗？