mucous membrane

(anatomy 解) moist skin that lines the nose, mouth and certain internal organs 黏膜.

MS, Ms., MSc, MST, Mt, mth, MTV, much, much less, much more, much-travelled, muchness, mucilage, mucilaginous, muck, muck-raker, muck-rakingn, muck-up, mucky, mucous, 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,