Definition: at or to a large distance above the ground Level: B1
我们在城市上空高高飞行。
We flew ___high above the city.
他把球高高地扔向空中。
He threw the ball ___high into the air.
身处维也纳上方的机舱高处，他们都考虑过杀死对方。
Being in the cabin ___high above Vienna, both of them thought about killing the other.
