nine/nineteen/nineteenth
nine/nain/num.九；九点钟；九岁：nine (times) out of ten十有八九It is nine.九点钟了。The boy is nine.这男孩九岁了。nine times out of ten十有八九；大抵；几乎总是：Nine times out of t···
ninety/ninth
ninety/ˈnainti/ I.num.九十；九十岁：The old man lived to the age of ninety.那老人活到九十岁。‖II.n.(pl.nineties) 90年代；90来岁：in the nineteen nineties在二十世纪90年代She was w···
nitrogen
nitrogen/ˈnaitrədʒən/n.［u］氮：the nitrogen cycle氮气循环；nitrogen dioxide二氧化氮Nitrogen is a gas without colour or smell.氮是一种无色无臭的气体。
no
no/nəu/ I.adj.1.没有：There is no fire without some smoke.［谚］无风不起浪。No pains, no gains.［谚］不劳无获。2.很少，很小：They finished the task in no time.他们很快就完成了任务···
noble
noble/ˈnəubl/ I.n.［c］贵族：Proud as these nobles are, he is afraid to see me.这些贵族尽管很傲慢，他们却害怕见我。‖II.adj.高贵的，贵族，壮丽的，杰出的：a noble deed高尚的行为；···
nobody
nobody/ˈnəubədi/ I.pron.没有人：There is nobody in the room.屋里一个人也没有。She said she would marry me or nobody.她说她非我不嫁。‖II.n.小人物，无关紧要的人：“somebodies” a···
nod
nod/nɔd/ I.n.［c］点头，点头示意：He gave me a friendly nod as he came in.他进来时向我友好地点了点头。‖II.vi.&vt.1.点头(表示同意或打招呼)：He nodded to me in greeting.他点头向···
noise/noisy
noise/nɔiz/n.［u］&［c］嘈杂声，响声，喧闹声：Don’t make a noise about it.别为此事吵闹。Don’t make so much noise.不要这样吵闹。noisy/ˈnɔizi/adj.吵闹的，喧哗的：a noisy boy···
nominal
nominal/ˈnɔminl/adj.1.名义上的，有名无实的：a nominal ruler of the country名义上的国家统治者；a nominal price虚价2. (金额、租金)微不足道的：a nominal sum微小的数目
nominate/nominee
nominate/ˈnɔmineit/vt.提名，任命：nominate a man for the Presidency提名某人为总统；be nominated to some office受任某职The President nominated me (as/to be) his representative at ···
