天空

In a sentence

• 天空中飘着白云。

  There are white clouds floating in the sky.

  In this sentence, '天空' represents the physical sky as a space where objects like clouds can be observed.

• 我梦想可以自由地翱翔在天空中。

  I dream of flying freely in the sky.

  Here, '天空' symbolizes freedom and limitless space, often used in a metaphorical sense for aspirations.

• 天空中的繁星让我联想到宇宙的浩瀚。

  The stars in the sky remind me of the vastness of the universe.

  '天空' in this sentence is used to refer to the night sky being part of the natural phenomenon one observes.