1. It illustrate Wordsworth's profound love for nature and his conviction that no earthly beauty can come up with the heavenly beauty that we find in natural objects and persons live in the midst of the natural surroundings.

2. Dorian's story plays upon the timeless theme of selling one's soul in exchange for earthly pleasures and the inevitable disaster that results.

3. "Children" implies that their love is pure and innocent, without being aware of the earthly troubles.

请问以上三句中的earthly是什么意思？