Aerostat
n. 浮空器\\n[機] 氣球, 飛船, 浮空器
? 同義詞
??? 情景例句
The patient showed a marked improvement.
病人病情顯著好轉。
Yes, but I don't want go downtown.
是的，但是我不希望上街。
It doesn't matter.
沒關系。