传染病学

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

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

• 木(tree; wood)RADICAL
• 氿(trickling water; small flowing water)ASSOCIATIVE

Dyeing is soaking wood in water so the color seeps into each wood fiber.

• 疒(illness; patient in bed)RADICAL
• 丙(third heavenly stem)PHONETIC

A person lying on a sickbed crying out in pain everywhere sounds like "bing."

• ⺍(two hands (indicating learning))ASSOCIATIVE
• 冖(roof; house)ASSOCIATIVE
• 子(child)RADICAL

A child sitting under a roof with two hands diligently studying represents learning.