Bmd
abbr. 弹道导弹防御（ballistic missile defence）
🗣️ 情景例句
Dogs make great pets, but don't leave them alone with small children.
狗是最好的宠物，但不要让狗和小孩子单独在一起。
Wisdom is a good purchase though we pay dear for it .
为了求知识，代价虽高也值得。
of becoming more likely to die the older we get, was something self-evident,
人随着年龄的增长而接近死亡，这是不言而喻的，