in both numbers and variety. 都得以蓬勃发展

57. ..this devoted couple are going to be very busy indeed.
    这对尽职尽责的冠斑犀鸟将异常忙碌
58. The warmth and the moisture of rainforests
    温暖湿润的热带雨林
59. enables their inhabitants to flourish
    使其居民在数量和种类上
60. in both numbers and variety.
    都得以蓬勃发展
61. And here, in the Amazon, live many strange species.
    在这里 亚马逊热带雨林中 生活着许多奇特的物种
62. This is a treehopper.
    这是一只角蝉
63. One of hundreds of different types in this forest.
    是这片森林中数百种角蝉之一

来自《行星地球 第三季 第五集 Planet Earth S03E05 森林》第 60 行