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：mega-, meg-
【来源及含义】Greek: large, great, big, powerful
【相关描述】When measuring in the metric [decimal] system, it means a million [U.S.] or millionfold [U.K.]: 106 [1 000 000]. The metric symbol for mega- is M.
【相关词根词缀】 Related "big, large, great" words: grand-; macro-; magni-; major-; maxi-; megalo-. Related "metric" families: yotta; zetta; exa; peta; tera; giga; kilo; hecto; deka; deci; centi; milli; micro; nano; pico; femto; atto; zepto; yocto.
【同源单词】alphmegamia, dysmegalopsia, electronic megaphone, hydromegathermia, hydromegathermic, kilomegacycle