純水是中性的，酸堿度為7。Pure water is neutral with a pH of 7.雙方已達(dá)成協(xié)議，在提及對(duì)方時(shí)使用中性的詞語(yǔ)，避免有爭(zhēng)議的字眼。Both sides had agreed to use neutral terms in their references to each other, avoiding controversial ones.中子是中性的,比質(zhì)子略重.Neutron is neutral a...