词根词缀：ex-, e-, ef-

【来源及含义】Latin: a prefix occurring in words of Latin origin used in the senses: out, out of, from; upward; completely, entirely; to remove from, deprive of; without; former [said of previous holders of office or dignity]

【相关描述】Before f, ex- becomes ef-; before all voiced consonants (as b, d, g, etc.) ex- becomes e-.

【同源单词】e pluribus unum, educate, educe, efface, effacement, effete

词根词缀：spec-, spic-, spect-, spectat-, spectro- -spectr, -spectful, -spection, -spective

【来源及含义】Latin: to see, seeing; to look at, looking at; sight, to appear, appearing; to behold, to examine, examining

【相关词根词缀】 Cross references of word families that are related directly, or indirectly, to: "appear, visible, visual, manifest, show, see, reveal, look": blep-; delo-; demonstra-; opt-; -orama; pare-; phanero-; phant-; pheno-; scopo-; vela-, veal-; video-, visuo-.

【同源单词】Ab alio expectes, alcohol fetopathy, allopatric speciation, aspect, audiospectography, auspex