Bbo
偏硼酸钡（晶体）；助推器烧毁（Booster Burnout）
🗣️ 情景例句
often took us somewhere in the city on the weekends.
经常在周末带我们去城市的一些地方。
One hour today is worth two tomorrow.
今天的一个小时抵得上明天的两个小时。
He owned himself defeated.
他承认自己失败了。