词根词缀:-ics
【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:numer-, number-
【来源及含义】Latin: distribution; to count, to reckon
【同源单词】alphanumeric, alphanumerical, alphanumerics, annumerate, annumeration, apocalyptic number