Pbb
abbr. 多溴联苯（polybrominated biphenyl）
🗣️ 情景例句
Michigan needs a touchdown.
Michigan队需要一次达阵得分。
We know that you are leading exporters of coal and you can provide the quantity we need.
我们知道贵方是主要煤炭出口商，能满足我们的需求量。
His wife was sitting beside him holding a large cake.
司机妻子正坐在他身边，手里托着块大蛋糕。