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n. 中午；正午；全盛期
n. [语]名词
N,N-Dibutylformamide ; formamide, n,n-dibutyl
One of the U.N.Millennium Development Goals is to reduce the under-five death rate by two-thirds by two thousand fifteen.
VOA : special.2009.09.28
So, the first thing we do is put two electrons between h and c, and then two electrons between c and n.
那么，我们先在氢和碳之间放两个电子，然后在碳和氮之间再放两个电子。
化学原理课程节选 : 麻省理工公开课
That energy will be absorbed by the hydrogen atom, n=1 the electron will rise from n equals one n=2 to n equals two.
这能量将会被氢原子吸收，这个电子会从,上升到。
固态化学导论课程节选 : 麻省理工公开课
Mister Ban, Secretary of State Hillary Clinton and Haitian President Rene Preval led a conference of donors at the U.N.Wednesday.
VOA : special.2010.04.02
The U.N.Girls' Education Initiative organized the meeting of two hundred scholars, aid workers and government officials from twenty-two countries.
VOA : special.2010.05.20
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。