millimeterWiktionary 原文中文来自 ECDICTn.毫米构词拆分milli-前缀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+meter词根/词干演变路径（由近及远）英语源自 ←法语 millimètre词源说明From French millimètre, as if milli- + meter.释义（英文）名词 NounUS spelling of millimetre.词族派生词（2）micromillimetersubmillimeter