“在高空”怎么读

“在高空”的英语可以翻译为：aloft ...

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....