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：nata-

【来源及含义】Latin: to swim, swimming; floating

【相关词根词缀】Word families with similar applications about: "swim, swimming": necto-; neusto; pleo-.

【同源单词】circumnatant, contranatant, denatant, enatant, innatant, natant