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词根:-rad-, -ras-

【词根含义】:擦,刮

【词根来源】:来源于拉丁语动词rado, radere, rasi, rasus(剃,刨,刮)。

【同源单词】:abradant, abrade, abrase, abrasion, abrasive

前缀:ab-

【词根含义】:分离,脱离;相反;加强意义

【词根来源】:来源于拉丁语前缀ab-。

【同源单词】:abbreviate, abbreviation, abbreviator, abdicate, aberrance

词根词缀:a-, ab-, abs-

【来源及含义】Latin: prefix; from, away, away from

【相关描述】This prefix is normally used with elements of Latin and French origins (abs- usually joins elements beginning with c, q, or t).

The form ab- is regularly used before all vowels and h; and it becomes a- before the consonants m, p, and v. The prefix apo- has similar meanings.

This list is a very small sample of the multitudes of a-, ab-, abs- prefixes that are available in dictionaries and those in this unit are only meant to present a few examples.

【同源单词】abampere, abampere centimeter squared, abampere per square centimeter, abarticular, abarticulation, abbreviate

词根词缀:rad-, ras-, raz-

【来源及含义】Latin: scrape, scratch, shave, rub

【相关词根词缀】 Related "scrape, scratch; shave; razor" word families: xyro-; xys-.

【同源单词】abradable, abradant, abrade, abrader, abrase, abrasion