词根词缀：-ics, -tics [-ac after i]

【来源及含义】Greek: a suffix that forms nouns and is usually used to form names of arts and sciences

【同源单词】acoustics, acoustoelectronics, acousto-optic, actinogenics, actinotherapeutics, actinotherapy

词根词缀：techno-, techn-, tect-, -technic[s], -technique, -technology, -technical, -technically

【来源及含义】Greek: art, skill, craft; techne, art, skill, craft; tekton, "builder"

【同源单词】agrotechnology, atechnic, atechny, biotechnics, biotechnology, cacotechny