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:pneumo-, pneum-, pneumono-, pneumon-
【来源及含义】Greek: lung; breath, breathe
【相关词根词缀】 Word units related to breath and breathe: hal-; pneo-; pneumato-; psych-; spiro.
【同源单词】amphipneust, amphipneustic, angiopneumography, apneumia, apneuses, apneusis