For years, palaeontologists have wondered if the same was true of plesiosaurs.

数年来，古生物学家直想知道蛇颈龙是否也通过怀胎方式繁殖后代。

Plesiosaurs were marine reptiles that co-existed with dinosaurs.

蛇颈龙是海洋爬行动物，它们与恐龙生活时代。

Later, aged 22, Mary discovered the first plesiosaur skeleton.

后来，22 岁的玛丽发现了第具蛇颈龙骨架。

They found that the plesiosaur lurked in the ocean more than 200 million years ago.

他们发现，这种蛇颈龙生活2亿多年的海洋中。

They had flippers like a turtle and long necks like a giraffe.

蛇颈龙的鳍状肢有如乌龟，脖子长如长颈鹿。

With a long neck and flippers, a plesiosaur could reach 15 meters in length which would actually match estimations of the sheer size of Nessie.

蛇颈龙有着长长的脖子和，只蛇颈龙可以达到15米之长，蛇颈龙的长度事实上可以与尼斯湖水怪的净长相匹配。

The Quetzalcoatlus was the size of a plane.

蛇颈龙大小如飞机。

Definitions for pterosaurs, plesiosaurs, and all the other saurs and not-a-saurs?

翼龙、蛇颈龙以及所有其他龙和非龙的定义？

Also, I think that there's plesiosaurs that were around for much longer than we thought.

另外，我认为蛇颈龙的生存时间比我们想象的要长得多。

She discovered the first-ever plesiosaur remains, the first pterosaur fossil found in England.

她发现了第块蛇颈龙遗骸，这是英国发现的第块翼龙化石。

Most Ichthyosaurus, Plesiosaurus, and Mosasaurus are the right size to have preyed on small and medium size fish, but some like the giant Pliosaur Plesiosaurs were true sea monsters with huge jaws and bodies over 18 meters long.

大多数鱼龙、蛇颈龙和沧龙的体型都适合捕食中小型鱼类，但有些像巨型蛇颈龙这样的巨型蛇颈龙是真正的海怪，拥有巨大的下颚和超过 18 米长的身体。

Or is it the ghost of a plesiosaur?

还是只蛇颈龙的幽灵？

Now most Plesiosaurs had large chests and torsos, broad paddle shaped limbs, and relatively short tails.

现大多数蛇颈龙都有大的胸部和躯干、宽阔的桨状四肢和相对较短的尾巴。

In front of their shoulders Plesiosaurs varied tremendously.

他们的肩膀面，蛇颈龙千差万别。

Ichthyosaurs, Plesiosaurs, and Mosasaurs are all more closely related to modern reptiles like lizards and snakes.

鱼龙、蛇颈龙和沧龙与蜥蜴和蛇等现代爬行动物的亲缘关系更为密切。