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：penetra-, penetr-

【来源及含义】Latin: penetrare, penetratus, to go into, to enter, to pierce; to pass through, to pass into; a place within

【同源单词】impenetrable, impenetrableness, impenetrably, nonpenetrative, penetrability, penetrable