呼吸调节器

• 口(mouth; opening)RADICAL
• 及(to; toward; with)PHONO-SEMANTIC

A mouth stretching out to breathe is like a hand reaching for something.

• 言(words; speech)RADICAL
• 周(everywhere; thorough)PHONO-SEMANTIC

Using words to divide work and assign tasks everywhere is coordination.

• ⺮(bamboo)RADICAL
• 即(immediately; at once)PHONETIC

Burning bamboo segments reveals the joints that connect each section of the bamboo stalk.