Bmd
abbr. 弹道导弹防御（ballistic missile defence）
🗣️ 情景例句
Where do I board my train?
我的座位在哪儿？
How many boxes are you going to use?
你要用几盒？
Alcohol may be a medical disinfectant, but should not be relied upon to sterilize water.
酒精可能是医学上的消毒剂，但决不可用来消毒饮用水。