Bbo
偏硼酸钡（晶体）；助推器烧毁（Booster Burnout）
🗣️ 情景例句
Are you good at it?
你很擅长吗？
What's the big deal?
这有什么大不了的？
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。