Part 2 字根 表示{行为动作}的字根 pon, pos, pound = place 放置
入门字
position (n.) 位置
posi/ tion
place/ 名词字尾
进阶字
1. component (n.) 成分，组成元素 （a.) 组成的
com/ pon/ ent
together/ place/ 名词字尾
形容词字尾
Sulfur is a major component in TNT.
硫磺是黄色炸药的主要成分之一。
2. exponential (a.) 大量（成长）的；成指数的
ex/ pon/ ential
out/ place/ 形容词字尾
The exponential growth in the number of uses of the Internet is the most amazing phenomenon in mass communication in recent years.
网际网络用户的巨幅成长是大众传播近年来最惊人的现象。
3. posture (n.) 姿势
pos/ ture
place/ 名词字尾
The horizontal posture of sleep allows the musculature to relax completely.
睡眠时水平的姿势可以让肌肉组织完全放松。
4. composite (a.) 复合的 （n.) 复合材料
com/ pos/ ite
together/ place/ 形容词字尾
名词字尾
The fuselage of the space shuttles is made of a composite material.
太空梭的机身是用复合材料制造的。
5. deposit (n.) 存款 (v.) 储存
de/ pos/ it
down/ place/ 名词字尾
动词字尾
To open an account at this bank, you have to make an initial deposit of $100.
要在这家银行开户，你得先存一百美元存款。
6. disposable (a.) 随用随丢的
dis/ pos/ able
away/ place/ able
Disposable tableware is convenient but adds greatly to the amount of garbage.
随用随丢的餐具很方便，可是会大大增加垃圾量。
7. expose (v.) 暴露，揭发
ex/ pose
out/ place
An entire geoloical history is exposed on the walls of the Grand Canyon.
一整部地质史在大峡谷壁上表露无遗。
8. impose (v.) 征收，加诸
im(in)/ pose
in/ place
Some scholars blieve that the EPA should impose an anti-noise tax on factories that cause noise pollution.
有些学者认为环保署应对制造噪音污染的工厂征收烦躁音税。
9. compound (a.) 复合的 (n.) 复合物
com/ pound
together/ place
This bank deposit has grown to several times its original value, thanks to compound inerest.
这笔银行存款由于复利的关系已增为本金的好几倍。
10. expound (v.) 阐扬，解说
ex/ pound
out/ place
In the debate that fllows, each candidate will be free to expound on his own views about tax reduction.
在接下来的辩论中，各位候选人可以自由阐述个人对减税的看法。
11. propound (v.) 倡言，提出
pro/ pound
forward/ place
American President Dwight Eisenhower propounded the domino theory in 1954, which became the basis for the policy of containment against World Communism.
美国艾森豪总统于一九五四年倡议骨牌理论，后来成为围堵世界共产主义政策的基础。