Pbb
abbr. 多溴联苯（polybrominated biphenyl）
🗣️ 情景例句
Remember when you and your dad and I
还记得你 你爸爸 和我
Feed sparingly and defy the physician.
饮食有节，医生绝迹。
It was raining heavily and they found that a stream had formed in the field.
雨下得很大，他们发现地上已经形成了一条小溪。