naturalness

n [U] state or quality of being natural 自然状态; 自然性.

nativity, nativity play, NATO (also Nato), natter, nattily, natty, natural, natural childbirth, natural gas, natural history, natural law, natural philosophy, natural selection, naturalgas, naturalism, naturalist, naturalistic, naturalization, naturalisation, naturalize, naturalise, naturally, nature, nature study, nature trail, naturism, naturist, naturopath, naturopathic, naturopathically, naturopathy, naught, naughtily, naughtiness, naughty, nausea, nauseate, nauseating, nauseatingly, nauseous, nautical, nautical mile,