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：lamelli-, lamell-

【来源及含义】Latin: thin plate or layer

【同源单词】bilamellate, circumferential lamella, lamella, lamellar, lamellasome, lamellibranch