muKK [mu] /mu/发音名词1希腊字母μThe symbol mu is the twelfth letter of the Greek alphabet.符号μ是希腊字母中的第十二个字母。2微、百万分之一科学用语In physics, mu often stands for the prefix meaning one millionth.在物理学中,μ常代表百万分之一这个字首。3亩The family farms about three mu of land outside the village.这家人在村外耕种大约三亩地。用这个字练口说→