Pbb
abbr. 多溴联苯（polybrominated biphenyl）
🗣️ 情景例句
They graduated from high school last year.
他们去年高中毕业。
Could you ask her to give Doug a call when she gets back? She has my number.
她回来后，你能不能告诉她给道格挂个电话？她有我的电话号码。
OK!said Miss Yang kindly.Let's forget the whole thing.
“很好！”杨小姐宽厚地说，“让我们忘记全部的事情。”