on the air 雅思

Despair hangs heavy on the air.

空气中瀰漫着绝望的氛围。

She is singing on the air.

她正在广播歌曲。

I turned the massive handle on the air lock doors in the quiet Biosphere 2 and debarked into a twilight desert.

在安静的生物圈二号，转动气塞门上大的把手，出舱昏的沙漠。