你知道蓝鲸吗?

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思路:简单介绍蓝鲸的情况,然后谈当前蓝鲸濒临灭绝的现状。

正文:The blue whale is by far the largest of all animals known since ancient times. 

蓝鲸是目前为止人们所知道的自古至今所有动物中体型最大的。

Blue whales are generally 24 to 34 meters long and weigh 150 to 200 tons. 

蓝鲸一般体长为24米到34米,体重为150吨到200吨。

The appearance of blue whales is light blue or mouse gray, with light fine spots on the back, and a wide and flat tail.

蓝鲸外表的颜色是淡蓝色或鼠灰色,背部有淡色细碎斑点,尾巴宽阔而平扁。

 The whole body is streamlined and looks like a razor, so it is also called "razor whale".

整个身体成流线型,看起来很像—把剃刀,所以也被称为"剃刀鲸”。

The life span of blue whales is over 50 years old, and they can live to 90 ~ 100 years old at most.

蓝鲸的寿命都在50岁以上,最多可以活到90~100岁。

Over the years, human beings have hunted a large number of animals, and now the same species with a body length of more than 25 meters are rarely seen. 

于多年来人类大量的猎捕,现在体长在25米以上的同类已经很少见到了。

In addition, the large amount of krill fishing has also greatly affected the foraging activities of blue whales. 

另外,磷虾的大量捕捞也使蓝鲸的觅食活动受到了很大的影响。

Half a century ago, there were more than 300000 blue whales in the world. Now there are only about 2000 left, almost on the verge of extinction.

半个世纪前,全世界的蓝鲸同类一共有30多万只。而现在仅剩下大约2000只了,几乎到了濒临灭绝的境地。

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