blue of the sky

例句：

1. 1. The sun sets over the blueof the sky.
   太阳在蓝色的天空中落下。
2. 2. The children were playing in the blueof the sky.
   孩子们在蓝天中玩耍。
3. 3.The sunset was a beautiful sight against theblue of the sky.
   日落时，它与蓝天形成了一幅美丽的景色。