Hsa
abbr. heat source assembly 热源装配; hypersonic aircraft 高超音速航行器，高超音速飞机
🗣️ 情景例句
I know so.
我确定知道是这样。
To have money is a fear, not to have it a grief.
有钱使人担心，没钱使人伤心。
Letter
1第一封信