“在高空”用英语怎么说？

“在高空”的拼音为：zài gāo kōng...

我们看到3只鸟在高空盘旋。We saw three birds circling very high up.秃鹰在高空翱翔。Buzzards soar overhead at a great height.我们能看到在高空中飞的飞机.We can see a plane flying in the clouds....