Part 1
第一部分
alumna
n. 女毕业生
My wife is an alumna of Wuhan University.
我妻子是武汉大学的毕业生。
alumnus
n. 男毕业生
President Kennedy was an alumnus of Harvard University.
肯尼迪总统是哈佛大学的毕业生。
alumni
n. 毕业生
My son and my daughter are both alumni of Ohio State University.
我的儿子和女儿都是俄亥俄州立大学的毕业生。
amoral
adj. 非道德的
Cats are amoral; they can't be censured for killing birds.
猫不受道德约束，它们杀死鸟儿也不会受到责难。
immoral
adj. 不道德的
Lying and stealing are considered immoral conducts in every human society.
在人类社会中，说谎和偷窃被视为不道德的行为。
unmoral
adj. 无关道德问题的
Many scientists believe their research to be unmoral, no matter what the results will be.
许多科学家认为他们的研究与道德无关，不论这些研究将有什么结果。
avocation
n. 嗜好
Stamp collecting as well as fishing is Mr. Evan's favorite avocation.
和钓鱼一样，集邮也是埃文先生最喜爱的嗜好。
vocation
n. 职业
Bookkeeping is Mr. Jones' vocation, and photography is his avocation.
薄记是琼斯先生的职业，摄影是他的副业。
biannual
adj. 一年两度的
Our school doctor recommends a biannual visit to the dentist; I am going to the dentist's for the second time this year.
我们校医建议一年去看两次牙医，我要去看牙医，这是我今年第二次去。
biennial
adj. 两年一次
The sophomores and seniors are taking the biennial exam this afternoon.
今天下午二年级和四年级的学生正在进行两年一次的考试。
Part 2
第二部分
chord
n. 琴弦
He is replacing the broken chord of his violin.
他正在更换小提琴上的断弦。
cord
n. 细绳
He had tied the package with a cord before he took it to the post office.
在去邮局之前，他用细绳把包裹系好。
clench
v. 咬紧（牙关）；紧握（拳头）
He clenched his teeth to endure the pain of the wound suffered from the accident.
他咬紧牙关，忍受车祸受伤所带来的疼痛。
clinch
v. 敲弯（钉头等）；使钉牢
By clinching nails over the canvas they held the torn sail to the mast.
他们在帆布上到处钉钉子，把破帆弄回桅杆。
climate
n. 气候
For fifty years or more the climate of the Arctic has been warming up gradually.
五十年或五十多年以来，北极的气候逐渐暖起来。
weather
n. 天气
The weather will be very hot and humid in Chongqing today.
今天重庆的天气将会炎热又潮湿。
compare
v. 比较
We compared two books to see which one had the better illustrations.
我们比较这两本书，看看哪一本的插图更好。
contrast
v. 对比
She contrasted her present life of luxury with the poverty of her childhood.
她将现在的富裕生活和童年的穷苦日子做个对比。
connotation
n. 含意
The words "snake" and "red" have unpleasant connotations for many people.
许多人认为“蛇”和“红色”有着不好的含意。
denotation
n. （词句的）意义
The denotation of the word "home" is "place where one lives," but it has many connotations.
“家”的意义是“一个人的住所”，但是它还有许多含意。
Part 3
第三部分
contemptible
adj. 可鄙的
Cheating on a test is considered one of the most contemptible acts in the Military Academy.
在军事学院，考试作弊被视为最可鄙的行为之一。
contemptuous
adj. 藐视的
The rich man is contemptuous of my humble home and poor surroundings.
那富人看不起我寒酸的家和穷苦的环境。
continual
adj. 连续的
We experienced a continual series of hot spells last summer.
去年夏天我们经历了一连串持续的高温天气。
continuous
adj. 不断的
On holidays, we can see a continuous line of cars on highways.
假日里我们可以看到公路上的车辆络绎不绝。
credible
adj. 可信的
It hardly seems credible that your son has grown so tall in one year.
你儿子在一年之中竟长得这么高了，简直令人难以置信。
credulous
adj. 轻信的
Only a credulous person would fall for that old trick.
只有轻信的人才会上那老把戏的当。
disinterested
adj. 公正的
An umpire must be an entirely disinterested but keen observer.
裁判必须是个完全公正又敏锐的观察者。
uninterested
adj. 不感兴趣的
The audience yawned and seemed uninterested in the politician's speech.
听众打着哈欠，似乎对政治家的演说并不感兴趣。
disorganized
adj. 杂乱无章的
The office where everything had worked so smoothly, became completely disorganized after Mr. Levine resigned.
在莱文先生辞职后，这个原本运作得很顺畅的公司变的杂乱无章。
unorganized
adj. 未加组织的
Form a union, an unorganized mob can accomplish nothing but chaos.
要组成一个团体，未加组织的群众只会一片混乱而不能成事。
Part 4
第四部分
divers
adj. 种种的
A well-balanced diet is made up of divers foods.
均衡的饮食是由多种食物构成的。
diverse
adj. 不同的
A great many diverse opinions were expressed at the meeting, but none was worthwhile.
大家在会议中提出可许多不同的意见，却没有一个值得采纳的。
dual
adj. 二重的；两层的
The training airplane has dual controls, one set for the learner and one for the teacher.
教练机有两套控制系统，一套为学生而设，另一套为教师而设。
duel
n. 决斗；相斗
The opposing two lawyers fought a duel to settle their differences.
两个敌对律师而解决他们之间的分歧而争斗。
egoist
n. 利己主义者
John is such an egoist that he only cares about himself.
约翰是一个利己主义者，他只关心自己。
egotist
n. 自大者
Marian is such an egotist that she talks about herself all the time.
玛丽是个自大的人，她总是谈论自己。
emerge
v. 出现
After the shower, the sun emerged from behind the clouds.
阵雨过后，太阳破云而出。
immerge
v. 浸入
He immerged his aching feet in a bucket of hot water.
他将疼痛的双脚浸入热水中。
emigrant
n. 自来国移居他国者
It is expected that the total number of emigrants from this country will reach 20,000 this year.
从这个国家来的移民，今年预计会达到两万。
immigrant
n. 自他国移入者
California has several thousands of immigrants from other states.
加州有数千个来自其他州的移民。