cluster ['klʌstə]
a group of similar things that are close together, sometimes surrounding something
n. 群；簇；丛；串
vi. 群聚；丛生
vt. 使聚集；聚集在某人的周围

clus-词根：靠拢
close 使靠近

例句
The students clustered their tents together.
学生们把帐篷集中搭在一起。
The public square was clustered with young students.
广场上聚集着成群的年轻学生。
They clustered round the chairman.
他们聚集在主席的周围。

耶鲁公开课 - 心理学导论课程节选

So, we know ourselves that our behavior is due to a complicated cluster of the situation and our personal natures.
我们知道我们的行为是由于,一连串复杂的情况和我们的个人本性。

clutch [klʌtʃ] close紧密的+catch cluck+hatch
cluck[klʌk] (母鸡)咯咯地叫(唤小鸡)
hatch[hætʃ]孵化

to take or try to take hold of something tightly, usually in fear, worry or pain
a small group of people or things
the control of someone
a small group of eggs produced by the same bird, especially in a nest

n. 离合器；控制；紧急关头
vi. 攫；企图抓住
vt. 抓住；紧握
adj. 没有手提带或背带的；紧要关头的

名词 n. [C]
1.一窝蛋[(+of)]
2.一窝雏鸡[(+of)]
及物动词 vt.
1.孵(小鸡)

短语:
1.fall(或 get)into the clutches of someone [亦作 fall (或 get) into someone's clutches]落入某人的魔掌
2.get out of someone's clutches 逃出某人的魔掌，摆脱某人的掌握
3.in the clutch [口语]在关键时刻

例句
The mother clutched her baby in her arms.
母亲紧紧地把婴儿抱在怀里。
He lost his clutch on the rope and fell.
他抓不住绳子, 松手摔了下来。
She released the clutch and the car began to move.
她放开离合器, 汽车就动了。

analogy / ә’nælәdʒi/
a comparison between things which have similar features, often used to help explain a principle or idea
n.相似，类似；比拟
ana
log-logic逻辑上的

考点:
1.bear(或have) an analogy to (或with) 具有与…相似之处
2.by analogy 用类推的方法，照此类推；同样
3.draw an analogy between 指出…之间的相似处，把(二者)加以比拟；在…之间加以比较
4.on the analogy of 根据…来类推，从…类推[亦作by analogy with]

耶鲁公开课 - 心理学导论课程节选
And in fact, Skinner explicitly made the analogy from the natural selection of species to the natural selection of behavior.
实际上，斯金纳也确实明确地,对物种的自然选择,同行为的自然选择进行过类比。

昨日重现

2001年6月CET-6真题
To help students understand how we see, teachers often draw an _____ between an eye and a camera.

A.image
B.analogy
C.denial
D.axis

2005年12月CET-6真题

Professor Smith explained the movement of light _____ that of water.

A.by analogy with
B.by virtue of
C.in line with
D.in terms of

答案 BA