microcenturyWiktionary 原文构词拆分micro-前缀“1 millionth”(diminutive) Very small. · (metric units) One millionth.+century词根/词干“100 years”词源说明From micro- (“1 millionth”) + century (“100 years”).释义（英文）名词 Noun(humorous) A unit of time equal to one millionth of a century or approximately one hour (52 minutes and 35.8