Bbo
偏硼酸钡（晶体）；助推器烧毁（Booster Burnout）
🗣️ 情景例句
The traffic. The parking. I was lost.
交通拥挤 又找不到停车的地方。我又迷路了。
What's your favorite kind of animal?
你最喜欢的动物是什么？
It is no use inviting the politician or the professional or business man,
同样也是无益的，对于政界人士、专业技术人员、商人来说，