英语翻译governessmhoSiemensreciprocal ohm 参考释义姆[mǔ]-（古代教育未出嫁女子的妇人）governessofgirl-（乳母）wetnurse-（丈夫的嫂子）husband'ssister-in-law 实用例句每一盏灯泡有120欧姆的电阻。Each of the bulbs has a resistance of120 ohms.