词根词缀：circum-

【来源及含义】Latin: around, about, surrounding, closed curve, circling, circular on all sides; literally, "in a circle"

【相关词根词缀】 Related "around, round, surrounding" units: ambi-; ampho-; circ-; cyclo-, -cycle; gyro-; peri-.

【同源单词】Antarctic Circumpolar Current, circuit, circuitous, circuitously, circuitousness, circuitry

词根词缀：volv-, volu-, -volve, volut-, -volute, -volution

【来源及含义】Latin: bend, curve, turn, turn around, twist, roll

【相关词根词缀】 Inter-related cross references involving word units meaning "bend, curve, turn": diversi-; diverticul-; flect-, flex-; gyro-; meand-; -plex; streph-; stroph-; tors-; tropo-; verg-; vers-.

【同源单词】advolution, archivolt, circumvolute, circumvolutio, circumvolution, circumvolve