词根词缀：seri-, ser-

【来源及含义】Latin: serere, a string, a thread; a row, succession, sequence; to join together, to connect, to combine

【同源单词】assert, asserted, asserter, asserting, assertion, assertive

词根词缀：-tion

【来源及含义】Latin: a suffix forming nouns from verbs of condition and action; an act or process: resumption, absorption; state or condition, redemption, exhaustion; something resulting from or otherwise related to an act or process, assumption, friction

【相关描述】This unit is presenting a small fraction of the hundreds of words ending with the suffix of -tion; however, there is a significant number of words which may help everyone have a better understanding and appreciation of the use of this element.

【同源单词】abduction, abjection, ablution, ablution, abolition, abruption