Pbb
abbr. 多溴联苯（polybrominated biphenyl）
🗣️ 情景例句
Well, perhaps,
好的， 也许，
I wonder if it's a real diamond.
它可是地道的钻石呀。
Every time he wanted to come into the garden he would bark until someone opened the gate.
每当它想到花园里来时，便汪汪叫个不停，直到有人把门打开。