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：luco-, luc-, luci-, lux, -lucence, -lucent

【来源及含义】Latin: light, lights, shine, shines, shining

【相关词根词缀】 Etymologically related "light, shine, glow" word families: ethero-; fulg-; lumen-, lum-; luna, luni-; lustr-; phengo-; pheno-; phospho-; photo-; scinti-, scintill-; splendo-.

【同源单词】Alenda lux ubi orta libertas, Anno lucis, antelucan, antelucidate, circumlucid, elucid