齿轮传动

• 車(vehicle; cart)RADICAL
• 侖(order; sequence)PHONO-SEMANTIC

A wheel spinning in regular circular order creates an unbroken round motion.

• 亻(person; man; human)RADICAL
• 专(specialized; dedicated)PHONETIC

A person who transmits knowledge must dedicate themselves to passing it on to others.

• 云(cloud)PHONETIC
• 力(strength; power)RADICAL

Powerful strength like rolling clouds surge creates motion.