纯水是中性的，酸碱度为7。Pure water is neutral with a pH of 7.双方已达成协议，在提及对方时使用中性的词语，避免有争议的字眼。Both sides had agreed to use neutral terms in their references to each other, avoiding controversial ones.中子是中性的,比质子略重.Neutron is neutral a...
这是一本深奥的书.This is a deep book.天文学是一门深奥的学科.Astronomy is an abstract subject.现在，我们也许能够更加清楚地了解宇宙生成的年代，并且解答关于人类起源最为深奥的问题之一。We may now be able to get a much better idea of the true age of the universe, and solve one of the dee...
The prelude to the musical composition is very long.这首乐曲的序曲很长.The prelude was as iridescent as a prism in a morning room.这个序曲就象清晨房间里的一块三棱镜一样灿烂辉煌.The discussions were a prelude to the treaty.这些讨论是签订该条约的前奏....