Nsbf
abbr. National Scientific Balloon Facility 国家科学气球设备
🗣️ 情景例句
It hurts, doesn't it?
会痛 ，是不是？
Please inform us the quantity that can be supplied from stock.
请告知可供现货的数量。
What was the population of the more developed countries in 1950?
1950年较发达国家的人口是多少？