muffled

a.(指声音)听不清的(因有物体相隔)

mucus, mud, mud hut, mud pack, mud-bath, mud-flat, mud-slinging, muddiness, muddle, muddle-headed, muddle-headedness, muddled, muddling, muddy, mudguard, muesli, muezzin, muff, muffin, muffle, muffler, mufti, mug, mugful, mugger, mugginess, mugging, muggins, muggy, Muhammad, mulatto, mulberry, mulch, mule, muleteer, mulish, mulishly, mulishness, mull, mullah,