Nsbf
abbr. National Scientific Balloon Facility 国家科学气球设备
🗣️ 情景例句
I guess they're trying to set up an appointment for me.
我猜他们正设法给我安排晤谈。
I'm not accustomed to going out after dark.
我不习惯在天黑了以后去外面。
What a coincidence!
真是太巧了。