Cross had to turn back at 24,000 feet because of altitude sickness.

在到达24000英尺高度时，Cross因发生高空病而不得不返回。

youdao

Cross had to turn back at 24,000 feet because of altitude sickness.

在到达24000英尺高度时，Cross因发生高空病而不得不返回。

youdao