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。
The largest creature ever to live, the blue whale averages 25 feet (7.6 meters) long at birth and weighs about three tons.
蓝鲸是最大的尚存生物，它们在出生时平均长达25尺(7.6米)重达大约3吨。
The largest creature the scientists found was a thalattosaur, a marine reptile about 10 long, which would have preyed on the larger fishes there.
科学家们发现的最大型的动物便是海龙化石，这是一种海洋爬行动物，大概有十米长，他以捕食较大的鱼类为食。
I had come to understand the blue whale slaughter intellectually—that in just four decades we nearly extinguished the largest creature ever to live—and now I grasped it viscerally.
我已经能理智地去理解那些蓝鲸捕杀者――在仅仅四十年时间里我们几乎要灭绝了这个世界现存最大型的生物――而且现在我由衷地体会到了这点。
It is the largest, loudest, longest-lived creature ever to exist on our planet. Yet it is elusive, and for all its magnificent bulk, barely seen.
它们是这个星球上最大，叫声最响，寿命最长的生物，但它又是那么难以捉摸，尽管身形巨大却很少有人睹其真容。
The creature is more than twice the length and three times the diameter — four tenths of an inch (10 millimeters) — of the next largest known related mollusk.
与同类中第二大的动物相比，该新种的长度是其两倍多，直径——十分之四英寸(10毫米)——是其三倍多。
The world's largest colony of leatherback sea turtles has been identified by scientists, raising hopes that the giant creature may not be as endangered as previously thought.
科学家最近发现了世界上数量最多的棱皮龟群体，这无疑唤起了一些信心，或许这种巨型动物并不像以前所认为的那样濒临灭绝。
This creature has the largest eyes in the whole animal kingdom.
这种动物在整个动物界中眼睛最大。
This enormous creature is the largest toothed animal alive.
这种巨大生物是现存体积最大的有齿动物。
The animal kingdom gained a new record holder after scientists declared that a species of cricket has the largest known testes of any creature relative to its body mass.
动物王国的新记录创造者诞生：科学家宣布，一种蟋蟀拥有相对于体重的世界最大睾丸。
The creature has the largest eyes in the whole animal realm.
在整个动物界中这种动物眼睛最大。
They have the largest brain of any creature known to have lived on Earth.
它们有着比地球上任何生物都要大的大脑。
Australia's Great Barrier Reef is the world's largest living creature.
澳洲大堡礁是世界最大的活实体。
Australia's Great Barrier Reef is the world's largest living creature.
澳洲大堡礁是世界最大的活实体。
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