Bmws
弹道导弹武器系统（=ballistic missile weapon system）
🗣️ 情景例句
Many people take tables or capsules to try and stay healthy.
许多人靠服药或胶囊保持健康。
What's the big deal?
这有什么大不了的？
It was not long before a helicopter arrived on the scene to rescue the survivors of the plane crash.
不久，一架直升飞机飞抵飞机失事现场，来搭救这几个幸存者。