This is the 1908th most frequent Chinese word.
天空
Sky.
In this sentence, '天空' represents the physical sky as a space where objects like clouds can be observed.
天空中飘着白云。
There are white clouds floating in the sky.
Here, '天空' symbolizes freedom and limitless space, often used in a metaphorical sense for aspirations.
我梦想可以自由地翱翔在天空中。
I dream of flying freely in the sky.
'天空' in this sentence is used to refer to the night sky being part of the natural phenomenon one observes.