词根词缀：liter-

【来源及含义】Latin: letter; a graphic symbol, a written character, an alphabetic sign

【同源单词】ad literam, alliterate, alliteration, alliterative, alliteratively, functional illiterate

词根词缀：semi-

【来源及含义】Latin: half, partly, twice

【同源单词】semi-acid, semi-amplexicaul, semiannual, semiannually, semiaquatic, semiarid