natural philosophy

(dated 旧) science of physics, or physics and dynamics 自然哲学; 物理学; 物理学和力学.

nationalistic, nationality, nationalization, nationalisation, nationalize, nationalise, nationally, nationwide, native, native speaker, native-speaking, nativity, nativity play, NATO (also Nato), natter, nattily, natty, natural, natural childbirth, natural gas, natural history, natural law, natural selection, naturalgas, naturalism, naturalist, naturalistic, naturalization, naturalisation, naturalize, naturalise, naturally, naturalness, nature, nature study, nature trail, naturism, naturist, naturopath, naturopathic, naturopathically, naturopathy, naught, naughtily,