5005.newscaster(名)新闻播报员
That TV newscaster always signs off by saluting.
那个电视新闻播音员总是向观众敬个礼表示节目结束。

5006.nightmare(名)恶梦
Traveling during the rush hour can be a real nightmare.
变通高峰时间出门可能是真正的梦魇。

5007.obility(名)高贵、高尚
Virtue is the only true nobility.
美德是唯一具有高尚的地位。

5008.noble(形)高贵的；贵族的
同义词dignifed
He died for a noble cause.
他为了高尚的事业而牺牲。

5009.nod(动)点头；打瞌睡
I asked him if he would help me and he nodded.
我问他能不能帮我一下，他点了点头。

5010.nominal(形)名字的、名义上的；不重要、无价值的
He remained in nominal control of the business for another ten years.
他在名义上又掌管了这家公司十年。

5011.nonetheless(副)尽管如此、但是、仍然
Nonetheless,many companies still hesitate to use the Web because of doubts about its reliability．
但是，许多公司对使用网络仍然心存疑虑，因为他们对网络的可靠性仍不放心。

5012.nonresident(形)非本地居民的
He was a nonresident student，but he used to lunch at school．
他是非本地的就读生，但中饭经常在学校里吃。

5013.nonsense(名)胡说八道
It's nonsense to say they don't care.
说他们不在意那是瞎扯。

5014.noodle(名)笨人；面条；傻瓜
Chinese food is often served with noodles or rice．
中餐常常有面条和米饭。

5015.nope(副)不
同义词no
"Have you seen my pen?""Nope．"
“你看见我的笔了吗？“没有。”

5016.norm(名)标准
There's a production norm below which each worker must not fall.
每个工人的工作量都不得低于一个生产标准。

5017.normal(形)正常的：智能水准
同义词regular
It's normal to fell tired after such a long trip.
这样长途旅行之后感到疲劳是正常的。

5018.normally(副)通常
I'm not normally allowed to stay out late.
通常情况下，我不能在外面待得很晚。

5019.northern(形)北方的
She has travelled in northern countries.
他曾游历过北方诸国。

5020.notable(形)值得注意的、显著的
The novelist's first book was a notable achievement．
这位小说家的第一部小说取得了不错的成绩。

5021.notably(副)值得注意地、显著地、尤其
The house had many drawbacks, most notably its location and price.
这房子有很多缺陷,尤其是它的地点和价格。

5022.nothing(代)什么也没有
There was nothing in her bag.
她的包包里什么都没有。

5023.notice(名)(动)公告、注意、通知
(名):Don't take any notice of what you read in the papers.
别在意你在报上看到的东西。
(动): The first thing I noticed about the room was the smell.
我首先注意到的是这屋子里的气味。

5024.notify(动)通知
同义词inform
He notified us that he was going to leave.
他通知我们说他要辞职。

5025.notion(名)观念
I have to rejec the notion that greed can be a good thing．
我不能接受那种认为贪欲也可以是件好事的想法。

5026.novel(形)新奇的
同义词unique
When a novel litarary idea appears,people should try to ignore its flaws.
当一种新的文学观点出现时，人们应该尽量忽视它的缺陷。

5027.novelistic(形)小说式的
He is a novelistic person.
他是小说中的一个人物。

5028.nowadays(副)现今，今日
Nowadays,most kids prefer watching TV to reading.
现在大多数孩子都喜欢看电视而不喜欢读书。

5029.nowhere(副)什么地方都没有
Nowhere in nature is aiuminum found free,owing to its always being combined with other ellements, most commonly with oxygen.
在自然界很难找到纯净的铝，这是因为它总会和其他元素相结合，尤其是氧。

5030.nude(形)裸体的
He asked me to pose nude for him．
他要求我为他摆裸体姿势。

5031.numerical(形)数字的、表示数量的
You have good numerical ability.
你的算数能力很好。

5032.numerous(形)非常多的
同义词multitudinous
There are numerous libraries in the city.
该市有许多图书馆。

5033.nun(名)尼姑；修女
Some nuns take care of the sick and the poor.
有些修女照顾病人和穷人。

5034.nursery(名)育婴室、幼儿室
Her youngeat child is at nursery now.
她最小的孩子现在上托儿所。