millifortnightWiktionary 原文英美构词拆解millimilli-前缀fortnightfortnight词干milli-In the International System of Units and other metric systems of units, one-thousandth of the unit to which it is prefixed; that is, multiplying the unit to which it is attached by 10-3. Symbol: m. · thousand词源说明From milli- + fortnight.释义名词noun1humorousA period of time equal to one thousandth of a fortnight, which is exactly 1209.6 seconds, or about 20 minutes.