3215.worried(形)烦恼的
I was worried that time．
那时候我很烦恼。

3216.worry(动)担心、烦恼
短语worry about
Don't worry. I'm sure everything will be a right．
别担心，我保证一切都会没事的。

3217.worth(形)值得；值
The house must be worth quite a lot of money now．
这栋房子现在一定值很多钱。

3218.worthy(形)值得的；有价值的
She is wiiling to donate money to a worthy cause．
她愿为高尚的事业捐款。

3219.write(动)写
不规则变化wrote，written
Never write what you do not sign．
不要写你不敢署名的文章。

3220.writer(名)作家
Writers are enginaars of souls．
作家是灵魂的工程师。

3221.writting(名)写作；作品；文件
He read the writting of Thoreau,which gave him many ideas about freedom．
他读了梭罗的著作，带绐他许多关于自由的想法。

3222.wrong(形)错误的
反义词right
I took the wrong way.
我走错了路。

3223.X-ray(名)X光
He has X-ray examinations almost every year.
他几乎每年都做×光检查。

3224.Yale(名)耶鲁大学
l used run when I was at Yale．
我在耶鲁大学读书时，常参加赛跑。

3225.yeah(副)是、对
Oh，yeah.It's dalicious．
哦，是的。味道很鲜美。

3226.year(名)年；学年
It is just a year since I arrived here．
我到这里正好一年了。

3227.yearly(形)每年一次；一整年的
Rainfall this year exceeded the yearly average.
今年的雨量超过了年平均降雨量。

3228.yellow(动)变黄(形)黄色的
(动):It was autumn and the leaves were beginning to yellow．
已经是秋天了，树叶开始变黄。
(形):I like this yellow coat.
我喜欢这件黄色大衣。

3229.yesterday(副)昨天
It was very hot yesterday.
昨天天气很热。

3230.yes(副)是
"Do you speak English?" "Yes,I do."
你会说英语吗？是，我会。

3231.yesman(名)百依百顺者、应声虫
He is a yesman．
他是一个唯唯诺诺的人。

3232.yet(副)还没、然而
It is strango，and yet it is true．
是很奇怪，但却是真的。

3233.young(形)年轻的、青春的
反义词old
Young people and old people do not always agree．
年轻人和年纪大的人常常想法不一样。

3234.youngster(名)年轻人
It is hard for an old man to work as long as a youngster.
老年人要工作得和年轻人一样久是困难的。

3235.yourself(代)你自己
You seem sorry for yourself today.
你今天看似情绪低落。

3236.youth(名)青年人；青春
His brother is a member of a youth fellowship.
他哥哥是青年联谊会的会员。

3237.youthful(形)年轻人的、年轻的
Exercise will keep you youthful.
运动锻炼会使你充满活力。

3238.yummy(形)好吃的
同义词delicious
There were a lot of yummy desserts at the party.
宴会上有许多可口的点心。

3239.zebra(名)斑马
It seems that everybody likes zebras．
似乎每个人都喜欢斑马。

3240.zero(名)零
The temperature has fallen to zero．
气温降到零度。

3241.zip(动)拉拉链
Please help me zip my dress on．
请帮我把衣服的拉链拉上。

3242.zipper(名)拉链
The zipper of this jacket is broken.
这件夹克的拉链坏了。

3243.zone(名)地带、区域
I'd like to see Europe as a nuclear-free zone.
我希望欧洲成为无核地区。

3244.zoo(名)动物园
Have you ever been to Taipei Zoo?
你有去过台北动物园吗？

3245.zoology(名)动物学
He got a comfortable pass in zoology,but barely scraped through in botany.
他很轻松地通过了动物学考试，但植物学考试只能勉强及格。