mull

v (phr v) mull sth over think about or consider sth long and carefully 思索或思考某事物: I haven't decided yet; I'm mulling it over in my mind. 我还没有决定, 一直在仔细考虑.

muffle, muffled, muffler, mufti, mug, mugful, mugger, mugginess, mugging, muggins, muggy, Muhammad, mulatto, mulberry, mulch, mule, muleteer, mulish, mulishly, mulishness, mullah, mullet, mulligatawny, mullion, mullioned, multi-, multifaceted, multifarious, multifunction, multilateral, multilingual, multimedia, multinational, multiple, multiple sclerosis, multiple-choice, multiplex, multiplication, multiplication table, multiplicity,