GRE必備核心詞組：a case in point

　　a case in point 絕佳例證

　　釋義

　　If you say that something is a case in point, you mean that it is a good example of something you have just mentioned.

　　例句

　　In many cases political uncertainties are the cause of people fleeing their country. A case in point is post-Soviet Russia.

　　GRE

　　Researchers are finding that in many ways an individual bacterium is more analogous to a component cell of a multicellular organism than it is to a free-living, autonomous organism. Anabaena, a freshwater bacteria, is a case in point .

　　研究者們正在意識(shí)到，相比于一個(gè)獨(dú)立的生命個(gè)體，細(xì)菌更接近于多細(xì)胞生物中的單個(gè)細(xì)胞。一種名為項(xiàng)圈藻的淡水細(xì)菌就是很好的例子。