microaccelerometerWiktionary 原文/ˌmaɪkrəʊ.əkˌsɛləˈrɒmɪtə(r)/构词拆解micromicro-前缀accelerometeraccelerometer词干micro-(diminutive) Very small. · (metric units) One millionth.词源说明From micro- + accelerometer.释义名词noun1A very small accelerometer