2221.nail(名)钉子；指甲(动)钉
(名):He knocked the nail out.
他把钉子拔了。
(动):We had the lids nailed on tha baxes.
我们给箱子钉上盖子。

2222.name(名)名字(动)命名
(名):The teacher kowns all the pupils by their first name.
教师知道全部学生的名字。
(动):We named the baby Judy.
我们为燕子取名为茱蒂。

2223.namely(副)也就是说、即
The railroad connects two citias,namely, New York and Chicago.
这铁路连接两个城市，即纽约和芝加哥。

2224.nap(名)小睡、打盹
短语take a nap
A nap will stave off fatigue．
打个盹会消除疲劳。

2225.nasty(形)肮脏的，使人难受的
This room has a very nasty smell.
这房间有一股很难闻的气味。

2226.nation(名)国家；民族
In 1790 the new nation had fewer than four million people．
1790年时这个新建立的国家人口不到四百万。

2227.national(形)全国的;国家的
The national emblem of England is a rose．
英国的国徽是玫瑰花。

2228.native(形)出生地的；本国的
What's his native language?
他的母语是什么？

2229.natural(形)自然的
Milk is the natural food for babies.
牛奶是婴儿的天然食物。

2230.naturally(副)自然地
Plants grow naturally in such a good climate.
在这种气候良好的地方，植物能自然生长。

2231.nature(名)自然、天性
Custom is a second nature.
习惯是后天养成的。

2232.near(形)接近的(介)在……附近
(形):The new houses are built too near to us.
这些新房于建造得离我们太近了。
(介):I live near TaIpei 101.
我住在台北101附近。

2233.nearby(形)在附近
The three were moved out to a nearby hotel to make room for more important persons．
他们三个人被换到了附近的一家旅馆里，以空出房间给更重要的人物。

2234.nearest(形)最近的
Friends are the nearest relatives．
朋友如近亲。

2235.nearly(副)几乎
She is nearly fifty now．
她如今快50岁了。

2236.neat(形)整洁的
同义词clean
She always kept her room neat.
她总是保持房间整洁。

2237.neatly(副)整洁地
You must dress yourself more neatly.
你必须穿得整齐一点。

2238.neck(名)脖子
The two studants were studying neck and neck.
这两个学生的学习成绩不分上下。

2239.necklace(名)项链
The girl is wearing a bead necklace.
女孩戴了一条珠子项链。

2240.necktie(名)领带、领结
Your necktie is quite diffirent from his.
你的领带和他的领带很不一样。

2241.need(名)(动)需要
(名): When need is highest, help is highest.
雪中送炭真君子。
(动): The flowers need watering．
这花需要浇水了。

2242.needle(名)针；指针
She used a needle tO sew the button onto the shirt.
她用针把扣子缝到衬衫上了。

2243.needy(形)贫穷的
反义词rich
The soldiers dealt out rice to the needy children.
士兵们将粮食分给贫穷的孩子。

2244.neighbor(名)邻居
My next-door neighbor lives in the house next to mine.
我的隔壁邻居住在紧邻我家的房子里。

2245.neighborhood(名)邻近地区
There is some beautiful scenery in our neighborhood.
在我们家附近有一些美丽的景色。

2246.neither(连)也不、两者都不
用在否定句中
The enemy troop couldn't make any advance,and neither could they retreat.
敌军进退两难。

2247.nerve(名)神经；叶脉
Don't get on my nerves!
不要搅得我心烦！

2248.nervous(形)紧张的
I've got to give a speech and l'm a bit nervous about it．
我要做一番演讲，对此我有点紧张。

2249.nest(名)鸟巢
A bird lays eggs in the nest.
鸟在巢里下蛋。

2250.net(名)网(动)用网覆盖
(名):They caught fish in their nets.
他们用网捕鱼。
(动):My grandfather netted tha fruit trees to protect them from birds．
我爷爷用网覆盖果树以防乌吃果子。

2251.network(名)网状组织
The Prasldent's speech was broadcast on a national television network．
总统的演说由全国电视联播网播放。

2252.never(副)从未、永不
Never offer to teach fish to swim．
不要班门弄斧。

2253.new(形)新的
反义词old
We sell new and used furniture.
我们卖新旧家具。

2254.newcomer(名)新来者
You know something about the newcomer,don't you?
你对那个新来的人了解一些，是吗？