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：pro-

【词根含义】：前;公开

【词根来源】：来源于希腊语和拉丁语pro。

【同源单词】：by-product, compromise, improvident, microprocessor, portrait

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