词根：-nounc-

【词根含义】：通知

【词根来源】：来源于拉丁语中nuntius(信使)派生的动词nunti.o, nunti.are, nunti.avi, nunti.atus(通知,宣布)。

【同源单词】：announce, announcement, denounce, enunciate, enunciation

前缀：e-, ex-

【词根含义】：出,向外;向上

【词根来源】：e-用在b, c, d, g, j, l, m, n, r, v前;ex-用在s前时,s常省略。来源于拉丁语前缀ex-。

【同源单词】：edit, edition, editor, editorial, educate

词根词缀：-ation, -ization, -isation

【来源及含义】Greek > Latin: a suffix; action, act, process, state, or condition; or result of doing something

【相关描述】Although there are over 1,450 word entries ending with -ation or -ization listed in this unit, there are certainly many more which exist in the English language. At any rate, this unit provides a significant number of -ation and -ization examples for you to see.

【同源单词】abarticulation, abbreviation, abdication, abdominal examination, aberration, abevacuation

词根词缀：nounc-, nunci-, nunti-

【来源及含义】Latin: messenger, message; make known, announce

【同源单词】announce, announcement, announcer, annunciate, annunciation, denounce