e.g. The statue represents peasants praying to God.

In a foreign country one is always representing one's country.

In a map, the symbol "▲" represents a hill or a mountain.

Her opinion represents that of mine.

A national flag always represents a nation / country.

represent：还可解释为：说、主张、叙述

e.g. I tried to represent the reasons to him, but he wouldn't listen.

He represented himself to be / as a friend of our manager.

I'll represent my idea to you in another way.

representative：n. 代表，adj.：代表的

e.g. Where is the representative of Jiangsu Province?

4、combine：vt. / vi：使......结合、联合、化合，常用句式：combine A (with B)

e.g. It is impossible to combine the two parties.

You should combine work with pleasure.

If you combine hydrogen with oxygen, you'll get water.

The film combines education with recreation.

combination：n. 结合体、联合体、化合物

e.g. Water is the combination of hydrogen and oxygen.

Our class is the combination of three small ones.

We are a strong combination at playing football.

5、simplify：vt. 简化、简写

e.g. It took me more than a week to simplify the stories into simple English.

Please simplify the passage a little - it's rather difficult for me.

They are only pupils, so please simplify your explanation.

simplified：简化过的

e.g. a simplified story：一个简化过的故事； a simplifies edition：简化版

simplification：简化之物、简化形式

e.g. This is only the simplification of that dictionary.

6、reflect：

　　vt. 反射、映现、表示、

e.g. Water reflects light.

Her face was reflected in the mirror.

His words reflected his regret for what he had done to you.

One's words reflect one's thoughts.

vi. 深思熟虑、仔细考虑、反省， reflect on / upon sth.

e.g. Please give an hour to reflect on the matter.

I reflected on possible reasons for my failure.

7、opposite：adj. 对面的、另一边的 the opposite side of the street, the opposite bank,

与to连用：the building opposite to the bank, My seat is opposite to yours.

n. 相反的事物 the opposite of：......的反面、对立面

e.g. The opposite of "big" is "small" / Hot and cold are opposites

I thought quite the opposite. / - Is she better? - Quite the opposite, I'm afraid

Prep. 与......相对、在......对面 opposite sb. / sth.

e.g. I sat opposite him. / He called me from opposite the street.