听力原文

Seeing his chance, the male makes his move.
是行动的时候了。
Constant moisture in the Gaoligongshan forests means that throughout the year there are always fruits on the trees.
高黎贡山的森林总是保持着湿润的气候，这意味着这里终年都出产水果。
Such abundance of food encourages a high diversity of fruit eaters more commonly found in the tropics.
如此丰盛的水果吸引了各式各样原本仅存于热带地区的“水果派”们。
The black giant squirrel is found only in undisturbed rainforest. At close to a metre in length, it's one of the world's largest squirrels.
大黑松鼠原本只生活在原始雨林中。体长近一米的大黑松鼠是世界上体型最大的松鼠之一
The mystery is that these forests are growing well outside the tropics.
神奇之处在于这些森林远离热带却依旧繁茂。
By rights, none of this jungle, or its animals, should be here. These are bear macaques. They're found only in tropical and sub-tropical jungle.
要是公正的说，雨林及其间的动物本不该存在于此。这是短尾猕猴。他们通常只生活在热带亚热带的丛林中。
With a tiny home range of just a few square kilometres, they depend on the abundant fruit that only true rainforests can provide all year round.
之所以能够在这片方圆千米的袖珍家园生息。靠的是全年丰足的水果供给。这种得天独厚的饮食条件足以媲美热带雨林。
To the European plant hunters, these northern rainforests must have seemed a fantastic and mysterious lost world.
对欧洲的植物猎人而言，北方的雨林简直是奇幻美妙的失落世界。

重点讲解

重点讲解：
1. by rights
按理说；按道理；
eg. She did work which by rights should be done by someone else.
她做了理应由别人做的事情。
eg. By rights, half the reward should be mine.
按理说，有一半奖赏应该是我的。
2. depend on
依靠；依赖；
eg. You can depend on him to make a sound choice.
你可以依靠他作出正确的选择。
eg. The elephants in the herd depend on one another for help in time of trouble.
当遇到麻烦时，大象们互相依赖、互相帮助。
3. all year round
一年到头；终年；
eg. Switzerland is a very popular tourist resort all year round.
瑞士是一个全年受欢迎的旅游胜地.
eg. In tropical climates they can grow flowers all year round.
在热带地区的国家。人们可以常年种植各种花草。