电化学

• 曰(speak; bright cloud)ASSOCIATIVE
• 乚(lightning bolt; hook stroke (downward))ASSOCIATIVE

A flash of lightning bursts bright through the clouds—that is electricity itself!

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

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

• 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.