1A very small motor bicycle or motor car. rare.
2A miniaturized motor; (Electronics) a microscopic motor made on a microchip.
1950s; earliest use found in Italian Affairs. From micro- + motor.
英汉双解词典包含464360条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。