词根：-spir-

【词根含义】：呼吸

【词根来源】：来源于拉丁语动词spiro, spirare, spiravi, spiratus(呼吸)。

【同源单词】：aspirant, aspiration, aspire, conspiracy, conspirator

前缀：il-, in-, ir-, im-

【词根含义】：不,无,非;入,向内

【词根来源】：(il-用于l前;im-用于b, m, p前;ir-用于r前;in-用于其它情况)   来源于拉丁语in。

【同源单词】：illegal, illegality, illegitimate, illiterate, illogical

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：spiro-, spir-, spira-, spirat-, -spire, -spiring, -spiration, -spirational (breath)

【来源及含义】Latin: breath of life, breath, breathing; mind; spirit, "soul"; courage

【相关描述】Don't confuse this spiro-, with another spiro- meaning "coil, twisted".

【相关词根词缀】 Word units related to breath and breathe: hal-; pneo-; pneumato-; pneumo-; psych-.

【同源单词】antiperspirant, aquatic respiration, aspirant, aspirate, aspirate, aspiration