词根词缀：cyclo-, cycl-, -cycle, -cyclic, -cyclical, -cycles
【来源及含义】Greek: around, round, circle, circular
【相关词根词缀】 Related "around, round, surrounding" units: ambi-; ampho-; circ-; circum-; gyro-; peri-.
【同源单词】acyclic, anticyclone, anticyclonic, bicycle, biogeochemical cycle, cycle
词根词缀：kilo-, kil-
【来源及含义】Greek: one thousand; a decimal prefix used in the international metric system for measurements and representing 103 or 1 000
【相关词根词缀】 Related "metric" families: yotta; zetta; exa; peta; tera; giga; mega; hecto; deka; deci; centi; milli; micro; nano; pico; femto; atto; zepto; yocto.
【同源单词】kilo, kiloampere, kilobaud, kilobit, kilobytes, kilocalorie