Since parasites like these stop any one group of animal getting the upper hand. 这种寄生虫能阻止某种生物种群的优势

188. There are literally thousands of different types of cordyceps fungi
     大约有1千种不同的有毒寄生菌
189. and remarkably, each specializes on just one species
     而且它们都归属于同一物种
190. but these attacks do have a positive effect on the jungle's diversity.
     这种攻击对雨林生物多样性起肯定作用
191. Since parasites like these stop any one group of animal getting the upper hand.
     这种寄生虫能阻止某种生物种群的优势
192. The more numerous a species becomes, the more likely it'll be attacked by it's nemesis a cordyceps fungus.
     越多的物种产生,就会遭到越多的寄生菌攻击
193. With so much competition,
     在激烈的竞争环境下
194. jungles have become the home of the specialist.
     雨林也变成了许多非常特别的动物的家

来自《行星地球 第一季 第八集 Planet Earth S01E08 热带雨林》第 191 行