1.numerous a.为数众多的；许多

The Earth is only one of the numerous planets in the universe.
地球只是宇宙中众多星球中的一个。

2.theory n.学说；理论；原理

There're many theories about the origin of life.
关于生命起源的学说有很多。

3.dispose v.清除；处理掉；解决

I want to dispose of these old books.
我想处理掉这些旧书。

4.generous a.慷慨的；宽宏大量的；丰厚的

She was always very generous in her charity.
她行善时总是很慷慨。

5.collaboration n.合作；通敌

Then the long collaboration fell apart.
长期的兄弟合作就这样破裂。