2668.score(动)得分(名)得分；刻痕
(动):Lucy scored well on the history test．
露西在历史测验中获得了高分。
(名):Is your final score?
你的期末考试成绩如何？

2669.screen(名)荧屏
On the television screen,We see the announcer holding up a cereal box with the name WAKE-UPS in big letters.
在电视荧幕上，我们看到主持人手里拿着一盒麦片，盒子上用大写字母写着“清醒”。

2670.sea(名)海；波浪、潮
The seas were mountains high.
海上巨浪如山。

2671.search(动)寻找、搜寻
He searched through his pockets for a cigarette.
他摸遍口袋想找支烟。

2672.season(名)季节
Spring and autumn are my favorite seasons
春秋是我喜欢的季节。

2673.seat(名)座位
I could not find a seat on the bus.
我在公共汽车上找不到座位。

2674.second(形)第二的(名)秒
(形):Andy got second priza in the cooking compatition．
安迪在这次烹饪比赛中获得第二名。
(名):Every second counts.
争分夺秒。

2675.secondary(形)次要的
Many older people still believe that women's careers are secondary.
许多年纪大一点的人仍然认为妇女的职业生涯并不那么重要。

2676.secondhand(形)用过的、二手的
He happened on the book in a secondhand bookstore.
他在二手书店偶然发现了这本书。

2677.secondly(副)其次
He was first of all an extremist,and secondly he was pretty dishonest.
首先他是一个极端主义者，其次他很不诚实。

2678.secret(名)秘密(形)秘密的
(名):Don't tell anyone about our plan,keep it a secret.
不要对任何人讲我们的计划，要保密。
(形):That is a secret garden.
那是个秘密花园。

2679.secretary(名)秘书
We have a experienced secretary.
我们有经验丰富的秘书。

2680.section(名)部分；地域；部门
The plane's tail section was found in a cornfield.
飞机的尾部是在一片玉米田里找到的。

2681.sector(名)部分；地段
At the sectors where accidents are most likely to take place, the trains always travel at a
moderate speed．
在事故好发地段，火车总是以中速行驶。

2682.secular(形)世俗的
we are in a very secular, information-and-result-oriented society.
我们的这个社会是非常世俗的,只注重资讯和结果。

2683.secure(形)安全的(动)保护
反义词insecure
(形):Now my house is secure against burglary.
现在我的房子无被盗窃之危险。
(动):Extra men are needed to secure the camp against attack.
需要增加兵力以保护军营免受攻击。

2684.security(名)安全
Two guards looked after the security of the property.
两个警卫看管财产的安全。

2685.see(动)看见；明白；阅历
不规则变化saw,seen
You can see the House of Parliament from here.
从这儿，你可以看到国会大厦。

2686.seed(名)种子；精液
She planted the seeds of virtue In her children when they were youn.
孩子们小的时候，她就在他们心田里播下了道德的种子。

2687.seek(动)寻找；尝试
不规则变化sought，sought
They were seeking employment.
他们在找工作。

2688.sell(动)卖
不规则变化sold，sold
lt's not the low prices but their quality which sells our goods.
我们的货物能卖出，不是由于价廉，而是由于质好。

2689.seem(动)似乎
He seems to be sick,for he appears pale.
看样子他病了，因为他面色看起来很苍白。

2690.select(动)选择、挑选
She selected a diamond from the collection.
她从收藏品中挑选了一枚钻石。

2691.selection(名)选择
Her selection of a dress took a long time.
她挑选一件衣服花了很长的时间。

2692.selective(形)选择的；淘汰的
3000 boys turned up for the selective trials.
有3000个男孩子参加了选拔赛。

2693.self(名)自己
She always thinks of others and never of self.
她总是为他人着想，从不考虑个人利益。

2694.selfish(形)自私的
His selfish conduct reflects on him.
他的自私行为对自己的名声不利。

2695.semester(名)一学期
I moved this semester. But I am regretful.
我在这个学期搬家，但我现在后悔了。

2696.send(动)寄、送
不规刚变化sent, sent
Please fill out the application form and send it to the personnel department.
请填好申请表并送往人事部。

2697.sense(名)感觉；感官
Your brother has a good sense of humor.
你的兄弟很有幽默感。

2698.sensible(形)明智的、明理的
He is not brillant, but he's very sensible.
他不是特别聪明，但很通情达理。

2699.sensitive(形)敏感的
Mary is sensitive to strong smells.
玛丽对强烈的气味很敏感。