Nsbf
abbr. National Scientific Balloon Facility 国家科学气球设备
🗣️ 情景例句
I'm glad you came. You're welcome any time.
我很高兴你能来。随时都欢迎你们来。
The first several months were a difficult time.
所以头几个月过得有些艰难。
They were all hungry and the food smelled good.
他们全都饿了，饭菜散发出阵阵香味。