为什么那位演讲者要选择这种两栖动物作为公众生物的代表呢？
Why does the speaker choose that amphibian as her representative of a public creature?
然而，这里却有着两栖的企鹅和海豹以及丰富的海洋生命—包括从被称为浮游生物的微小生物，直到迄今所知世界上最大的动物蓝鲸。
However, there are amphibious penguins and seals and a rich Marine life, ranging from the minute organisms called plankton to the biggest creature the world has ever known, the blue whale.
约有20%的海生群落以及多数类似哺乳类的生物，很多大型的两栖动物，和所有的非恐龙的祖龙都灭绝了。
About 20 percent of all Marine families went extinct, as well as most mammal-like creatures, many large amphibians, and all non-dinosaur archosaurs.
许多两栖类生物研究专家正积极的从事这项工作。
E. g. It is being actively pursued by amphibian specialists.
举个例子，许多两栖类生物研究专家正积极的从事这项工作。
It is being actively pursued by amphibian specialists, for example.
二氯苯氧氯酚被证实干扰了包含老鼠和大量两栖动物在内的基础生物系统。
Triclosan has beenshown to interfere with the basic biological systems of a number of animals, including rats anda range of amphibians.
中国拥有丰富的两栖类资源，共321种，其中特有种236种，这些特有种是我国生物资源独特而重要的组成部分。
China possess rich amphibian resources. There are 321 species of amphibian in China, of which 236 species are endemic. These species are an important part of China's biological resources.
然而，这里却有着两栖的企鹅和海豹以及丰富的海洋生命—包括从被称为浮游生物的微小生物，直到迄今所知世界上最的动物蓝鲸。
However, there are amphibious penguins and seals and a rich Marine life, ranging from the minute organisms called plankton to the biggest creature the world has ever known, the blue whale.
我们叫这种生物两栖的，即它们能在路上和水里同样舒适地生活。
We call such creatures amphibious, which means that they are able to live with equal ease on the land and in the water.
园内有品种繁多的野生生物，包括雀鸟、蜻蜓、两栖生物、哺乳类及爬虫类动物、蝴蝶，以及鱼类。
It is home to a stunning array of wildlife including birds, dragonflies, amphibians, mammals, reptiles, butterflies and fish!
我国对两栖类生物资源的开发利用已取得一定的成果 ，但还有很多不足 ，尤其是关于两栖类皮肤活性生物分子的研究开发工作 ，基本上还是一片空白。
We have already achieved definite results in this area, yet it is not enough - particularly in regard to research into development work of amphibian skin active bio-molecules.
举个例，许多两栖类生物研究专家正积极的从事这项工作。
It is being actively pursued by amphibian specialists, for example.
每四只哺乳动物、八只雀鸟、两只两栖动物就有一只濒临绝种，生物品种的死亡率比正常速度快了一千倍。
One mammal in4, one bird in8, one amphibian in 3 are threatened with extinction. species are dying out at a rhythm 1,000 times faster than the natural rate.
每四只哺乳动物、八只雀鸟、两只两栖动物就有一只濒临绝种，生物品种的死亡率比正常速度快了一千倍。
One mammal in4, one bird in8, one amphibian in 3 are threatened with extinction. species are dying out at a rhythm 1,000 times faster than the natural rate.
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