听力原文

Given the chance, bamboo will create immense forests, dominating entire areas. Bamboo forests occur across southwest China, all the way to Shanghai.
时机成熟，竹子将造就出支配整个地域的庞大竹林。竹林的踪迹遍及整个中国的西南部，一路向东直至上海都能看到它的身影。
But probably the highest diversity of bamboos in the world is found on the hills and valleys of Yunnan.
或许世界上最高耸挺拔的竹子，却悠然生长在云南的山谷之中。
Though incredibly strong, bamboos have hollow stems, a perfect shelter for any creatures which can find a way in.
尽管外表坚硬，竹子的腹中却空无一物，为一切能够寻径而入的生命创造了天然完美的庇护所。
This entrance hole was made by a beetle but it's being used by a very different animal.
这是甲虫开凿的一个入口但却为完全不同的生物做了嫁衣。
A bamboo bat. The size of a bumblebee, it's one of the tiniest animals in the world.
竹节蝙蝠。它是世界上最小的哺乳动物，体型和大黄蜂差不多一样大。
The entire colony, up to 25 bats, fits into a single section of bamboo stem, smaller than a tea cup.
整个聚居地内里多达25只竹节蝙蝠，挤在比一个茶杯的空间还要狭小的竹节里。
It's quite a squeeze! Half the colony are babies. Though barely a week old, they are already almost as big as their mums.
这简直就是挤油渣。竹节内一半的空间属于竹蝠宝宝。尽管只有一周大而已 他们的体型却长得和妈妈一般大小了。
Feeding such a fast-growing brood is hard work. The mums leave to hunt just after dusk each night.
喂养这帮疯长的小家伙实在是件苦差事。蝙蝠母亲们只在每晚薄暮降临后外出寻觅食物。

重点讲解

重点讲解：
1. all the way
（强调距离）一路；
eg. He had to walk all the way home.
他不得不一路步行回家。
eg. That dress came all the way from New York.
那条裙子是大老远从纽约送来的。
2. up to
高达；多达；
eg. The soup was concocted from up to a dozen different kinds of fish.
这种汤是用多达十几种不同的鱼熬制而成的。
eg. Up to 300 workers are facing the axe at a struggling Merseyside firm.
艰苦挣扎的默西赛德公司有多达300名工人面临被解雇。
3. as...as
像……一样；
eg. I bought a secondhand chair which is as good as new.
我买了一把二手货椅子，它如同新的一样。
eg. Not all events in history as terrible as this of course.
并不是所有的历史事件都像上述的一样可怕。