词根词缀：delta, delt-; Δ, δ

【来源及含义】Greek: triangular; fourth letter; Δ, δ, of the Greek alphabet

【同源单词】delt, delta, Delta Aquarids, delta bar, delta connection, delta flat

词根词缀：funct-, fungi-

【来源及含义】Latin: to perform, to execute, to discharge; performance, service, execution

【同源单词】allomeric function, arousal function, bifunctional, cofunction, damage function, defunct