The two unlike elements being compared in the story are;
A simile is a figure of speech that compares two things using like or as. In this excerpt, we learn that Cyclops fed himself so much that he became overfilled and lay down like a mast. So the direct comparison being made is between Cyclops and the mast of a ship.
A mast is a vertical structure found at the center of a ship. So, Cyclops fell straight down after he was overwhelmed with food.
Summarily, the comparison being made is between Cyclops and the mast of a ship.
Learn more about Cyclops here:
https://brainly.com/question/16570337