因此，直到最近发现蜥脚类恐龙筑巢地的化石之前，科学家们还不能确定蜥脚类动物到底是产卵还是胎生。
Until the recent discovery of fossilized sauropod nesting grounds, scientists were thus uncertain whether sauropods laid eggs or gave birth to live young.
对于某些蜥脚类恐龙来说，测量出来的血压确实是相当高的。
For some sauropod dinosaurs, this estimated blood pressure is very high indeed.
被誉为“亚洲第一龙”的马门溪龙是我国所特有的一类大型蜥脚类恐龙。
Mamenchisaurus is one of the most famous sauropods discovered in China and has been studied for over 50 years.
此次发现堪称蜥脚类恐龙家族在北美洲的第8次现身，科学家预计将来会有更多出土。
It was the eighth discovery of remains from a member of that species in North America and there are expected to be more in the future.
科学家们也研究过一种叫做原蜥脚类的体态为中型的恐龙，它们与蜥脚类恐龙亲缘很近。
Scientists also knew about a related group called prosauropods, dinosaurs that were intermediate in size and posture.
这是古生物学家马克·泰勒和马特·威德尔经过对两头白垩纪蜥脚类恐龙的残留碎片分析后得出来的结论。
That's the conclusion paleontologists Mike Taylor and Matt Wedel came to after analyzing the fragmented remains of two Cretaceous-period sauropods.
这块标本是一堆“混杂”化石的一部分- - -其中包括两条食肉恐龙，其中一条可能剑龙，和四条蜥脚类恐龙，这些化石是最近在犹他州的一次发掘中被发现的。
The specimen is one of a "logjam" of fossils-including two meat-eating dinosaurs, a probable Stegosaurus, and four sauropods-found recently at a dig in Utah.
1840年至1880年间首次发现并研究了这种被称为蜥脚类动物的巨型食草恐龙的骨骼化石，为成年型恐龙的巨大特征提供了证据。
Fossil bones of the huge herbivorous dinosaurs known as sauropods were first discovered and studied between 1840 and 1880, providing evidence for the gargantuan dimensions of the adults.
几十年来，古生物学家们已经知道了一群被称为蜥脚类动物的恐龙的起源和结局。
Paleontologists have known for decades about the beginnings and endings of a group of dinosaurs known as the Sauropodomorpha.
进行了5组比对后，尤其是就髂骨的大小等种种因素进行分析后，他们确定该恐龙来自蜥脚类家族。
Using five variables, and particularly focused on the size and other factors within the ilium bone, they confirmed it was from the Sauropod family.
由于很明显受害者年幼，研究小组不能确定这只恐龙的物种，但他们确定这是一只蜥脚类动物——一种巨大的长脖食草动物(蜥脚类动物照片)。
Due to the apparent victim's young age, the team couldn't determine the dinosaur's species. But they do know it was a sauropod-a giant long-necked plant-eater (sauropod picture).
这只恐龙很可能是原始的蜥脚类亚目动物——长颈、四条腿的食草动物，类似于我们较为熟悉的腕足类恐龙。
The animal would have been a primitive sauropod — a long-necked, four-legged grazer similar to the better known brachiosaurs.
汉莫除了发现了这条恐龙的更多部位以外，还发现了一条大型蜥脚类动物，或食草类恐龙，类似于梁龙，以及这条新的、尚无任何描述的鸟臀目恐龙。
Hammer found more parts of that dinosaur as well as a large sauropod, or plant-eater, resembling a diplodocus, and the new, as-yet-undescribed ornithischian.
其他的恐龙专家也有类似的理由，认为长颈蜥脚类动物不大可能拥有一个足够大的心脏从而使它能够长时间地进行垂直进食。
Other dino specialists have likewise argued that long-necked sauropods were unlikely to have had a heart that was big enough to enable it to feed vertically for much of the time.
其他的恐龙专家也有类似的理由，认为长颈蜥脚类动物不大可能拥有一个足够大的心脏从而使它能够长时间地进行垂直进食。
Other dino specialists have likewise argued that long-necked sauropods were unlikely to have had a heart that was big enough to enable it to feed vertically for much of the time.
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