京: i 名词1.(首都) the capital of a country 短语和例子进京 go to the capital2.(北京的简称) short for beijing 短语和例子日内抵京 arrive in beijing in a day or two3.(姓氏) a surname 短语和例子京房 jing fangⅡ数词1.(古代数目名, 指一千万) ten
电动机: electric motor; motor (俗称“马达; 电滚子”)◇电动机并联法 parallel connection of the motors; 电动机效率 motor efficiency; 电动机增益 motor gain; 电动机转子 motor rotor
