548.morning(名)在早晨、在上午
Mother goes shopping on Friday mornings.我母亲总在星期五上午上街购物。

549.most(形)最多数的、最大量的
Which of you has made the most mistakes?你们当中谁错得最多？

550.mother(名)母亲
同义词mom, mommy
She is a mother of five children.她是五个孩子的母亲。

551.motorcycle(名)摩托车
He can ride a motorcycle.他会骑摩托车。

552.mountain (名)高山
They are climbing the mountain.他们正在爬山。

553.mouse(名)鼠；胆小的人
复数mice
Are you a man or a mouse?你是一个男子汉还是一个胆小鬼？

554.mouth(名)嘴、口
Open your mouth wider, please.请把嘴张大些。

555.move(名)移动位置(动)行动、搬家
(名):He was by her side with one move.他一步走到了她身旁。
(动):When are you moving to the suburbs?你们什么时候搬到郊区去？

556.movie(名)电影
This movie is worth seeing.这部电影值得一看。

557.Mr.(名)先生
M需大写
Mr. Smith is a teacher.史密斯先生是一位老师。

558.Mrs.(名)夫人、太太
M需大写
Mrs. Smith lives in Paris.史密斯太太住在巴黎。

559.MS.(名)女士
M需大写
Hello, MS. White!你好，怀特女士！

560.much(副)多
接不可数名词
Our room is much bigger than theirs.我们的房间比他们的大多了。

561.museum(名)博物馆
His works hang in many museums.他的作品被许多博物馆收藏。

562.music(名)音乐、乐谱
A bit of music will cheer you up.听些音乐会使你的心情愉快起来。

563.must(助)必须
后接原形动词
We must be home by six.我们必须在六点以前回家。

564.name(名)名字、名称(动)给……取名、提名
(名):What's your name?你叫什么名字？
(动):They named the baby Elizabeth他们为婴儿取名为伊莉莎白。

565.national(形)国民的、国家的
We must safeguard our national interests.我们必须保卫国家的利益。

566.near(副)邻近；几乎(形)接近的；亲密的
反义词far
(副):He lives quite near.他住得很近。
(形):The post office is near.邮局很近。

567.neck(名)脖子；衣领
The neck of a shirt gets dirty easily.衬衫领口很容易弄脏。

568.need(名)必须(动)需要
(名):We have no need to be afraid of them.我们不必怕他们。
(动):The garden needs watering.花园该浇水了。

569.never(副)从不、未曾
I have never done that before.我从未做过那件事。

570.new(名)从未有过的、新的
反义词old
He has bought a new dictionary.他买了一本新字典。

571.news(名)新闻、消息
不可数
Come in, Mary. I've got good news for you.玛丽，进来。我有好消息告诉你。

572.next(形)最近的；其次的(名)下一个
(形):Is he coming this weekend or next weekend?他这个周末来还是下个周末来？
(名):Next, please.请下一位。

573.nice(形)愉快的；友善的
It's a nice day.天气真好。

574.night(名)夜
We arrived at the village before night fell.我们在夜幕降临前到达那个村庄。

575.nine(形)九的
There are nine people in the park.公园里有九个人。

576.nineteen(形)十九的
The ceremony was performed at the same time in nineteen other countries.这仪式同时在十九个其他国家举行。

577.ninety(形)九十的
He was making ninety pounds a week.他那时一周赚九十英镑。

578.ninth(形)第九的
She had an apartment on the ninth floor.她在九楼有一间房子。

579.no(形)无、没有
He has no friends in this city.他在这个城市里没有朋友。

580.nobody(代)没有人
Nobody seems to notice.似乎没有人注意。

581.nod(动)点头
She nodded to me in a friendly way.她友好地向我点了点头。

582.noise(名)声音；噪音
There's such a loud noise in the corridor.走廊里喧闹声很大。

583.noodle(名)傻瓜；面条
I want more chicken noodles, please.我要再来点鸡肉面。