碳氢化合物

• 石(stone; rock)RADICAL
• 炭(charcoal; coal)PHONO-SEMANTIC

Carbon is a solid substance like stone, essentially charcoal.

• 亻(person; human)RADICAL
• 匕(spoon; compare)PHONETIC

A person standing upright beside a person bending down shows how shapes transform and change.

• 亼(gather; converge; cover up)ASSOCIATIVE
• 口(mouth; box)RADICAL

A lid sealed tightly over a box's mouth combines into one whole.