For the first time, scientists have researched the heartbeat of a blue whale.

科学家们首次研究了一条蓝鲸的心跳。

In the ocean where food is easier to find, a blue whale, for instance, can eat up to 8,000 pounds of food a day.

例如，在更容易找到食物的海洋中，一只蓝鲸一天可以吃多达8000磅的食物。

Biologists were delighted early this year when, with the help of the Navy, they were able to track a particular blue whale for 43 days, monitoring its sounds.

今年早些时候，当生物学家们在海军的帮助下，成功追踪到一只特定的蓝鲸长达43天并监测它的声音的时候，生物学家们很高兴。

It is hard to track the blue whale, the ocean's largest creature, which has almost been killed off by commercial whaling and is now listed as an endangered species.

作为海洋中最大的生物，蓝鲸很难追踪，但由于商业捕鲸，它们几乎灭绝，现在已被列为濒危物种。

Blue Whale (Endangered).

蓝鲸(濒危)。

The blue whale is ginormous.

那头蓝鲸体形硕大。

Thee biggest animal is the blue whale.

最大的动物是蓝鲸。

Blue whale is the biggest in Minke whales.

蓝鲸是须鲸中最大的一种。

In the southern oceans, you think of the blue whale.

身处南部海洋，你会想到蓝鲸。

The Blue Whale used to be hunted for oil and meat.

蓝鲸曾经是寻找石油和肉。

The blue whale is the biggest animal in the world.

蓝鲸可是世界上最大的动物噢！

The blue whale is bigger than the biggest dinosaur.

蓝鲸比最大的恐龙还要大。

The blue whale is the world's largest living animal.

蓝鲸是世界上最大的动物。

The blue whale is the world's largest living animal.

蓝鲸是当今最大的动物。

Miss White:A blue whale is bigger than a dinossaur, I think.

Miss White: 我认为一只蓝鲸比一只恐龙大。

For example listen to this blue whale song from the year 1964.

例如，请听1964年的蓝鲸之歌。

But there is evidence that the blue whale might be different.

但有证据显示，蓝鲸可能与它们不同。

That's the song of the blue whale, the largest animal on the planet.

指音频是蓝鲸的歌声，蓝鲸是地球上最大的动物。

Even as a baby, a blue whale can make a grown man look like a minnow.

即使是蓝鲸宝宝，相较之下也能让一名成年人看起来给小鲤鱼一样。

For example, the blue whale is the world's largest living animal.

例如，蓝鲸是世界上最大的动物。

A blue whale can be more than thirty metres long and weighs over 150 tons.

蓝鲸可能有30多米长，体重超过150吨。

One blue whale swam steadily past Long Island about 60 miles from the shore.

有一尾蓝鲸淡定地、不徐不疾地在离长岛沿岸60英里的水面游过。

The endangered blue whale is the largest animal ever to have lived on the planet.

濒临灭绝的蓝鲸是有史以来最大的动物都生活在这个星球上。

But their populations have been slow to recover, and the blue whale is still endangered.

但是它们的数量恢复的很慢，如今蓝鲸任然就处于濒危的境地。

Bluish or having parts that are blue or bluish, as the blue spruce and the blue whale.

带青色的，浅蓝色的：青色的或有一部分是蓝色或青色的，如蓝云杉和蓝鲸。