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

数年来，古生物学家一直想知道龙是否也通过怀胎方式繁殖后代。

Plesiosaurs were marine reptiles that co-existed with dinosaurs.

龙是行动物，它们与恐龙生活在同一时代。

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

后来，22 岁的玛丽发现了第一具龙骨架。

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

他们发现，这种龙生活在2亿多年的中。

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

龙的鳍状肢有如乌龟，脖子如鹿。

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.

龙有着的脖子和脚蹼，一只龙可以达到15米之，龙的度事实上可以与尼斯湖水怪的净相匹配。

The Quetzalcoatlus was the size of a plane.

龙大小如飞机。

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

翼龙、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，我认为龙的生存时间比我们想象的要得多。

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

她发现了第一块龙遗骸，这是在英国发现的第一块翼龙化石。

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、龙和沧龙的体型都适合捕食中小型鱼类，但有些像巨型龙这样的巨型龙是真正的怪，拥有巨大的下颚和超过 18 米的身体。

Or is it the ghost of a plesiosaur?

还是一只龙的幽灵？

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

现在大多数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.

在他们的肩膀面，龙千差万别。

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

鱼龙、龙和沧龙与蜥蜴和等现代行动物的亲缘关系更为密切。