Complex sentence: The touching ether particles transmit the wave energy through the ether which conflicts with Huygens' sound wave analogy where sound is formed by interacting gas molecules that are randomly propagating in a volume where the gas molecules have spaces between gas molecules and are not constantly touching.
Split into simpler sentences: The touching ether particles transmit the wave energy through the ether which conflicts with Huygens' sound wave analogy where sound is formed by interacting gas molecules that are randomly propagating in a volume. The gas molecules that form sound waves have spaces between gas molecules and are not constantly touching.