fossils的例句大全

Sedimentary rocks are thus tagged by the fossils which they contain.

沉积岩就这样以它们所含的化石作为鉴别的标记.

Oftentimes, these fossils are not made available to science at all.

科学界常常压根接触不到这些化石。

The fossils appear to be an early form of seaweed washed up on a beach.

这些化石看上去是被海水冲上岸的一种早期的水藻。

The fossils at Dinosaur Cove are embedded in hard sandstones.

恐龙峡谷中的化石都嵌在坚硬的砂岩中。

The fossils may be a million years old.

这些化石可能有100万年了.

Glauconite, detrital carbonate skeletal debris, marine fossils, and collophane are commonly present.

海绿石 、 碳酸盐骨骸碎屑 、 海相化石和胶磷矿普遍出现.

Fossils allow us to reconstruct ancient ecology.

化石可以让我们知道古时的生态环境。

Animals and plants of remote antiquity turned to fossils.

远古的动植物变成了化石.

Tow factors are favorable for the preservation of organisms as fossils.

有两个因素对生物化石的保存是有利的.

Scientists have dated the fossils by their bone structure.

科学家根据那些化石的骨骼结构确定其年代.

The rocks themselves bear another kind of evidence -- the fossils.

岩石本身还拥有另一种证据 ― ―化石.

fossils over two million years old

两百多万年的化石

They were searching for fossils.

他们在找化石.

The geologist found many uncovered fossils in the valley.

在那山谷里,地质学家发现了许多裸露的化石.

Different fossils have been preserved in different ways-some as moulds or casts.

不同类别的化石是以不同的方式保存下来的 ― ―有的如同模型或模压品.

Fossils of the new species, Australopithecus sediba, were discovered in 2008 in a cave in South Africa.

2008年在南非一个洞穴内发现一个新物种化石，称做南方古猿sediba。

The period is an especially muddled one for palaeontology, being full of fragmentary fossils that are difficult to assign either to Homo or to Australopithecus.

古生物学上这段时期是一片模糊地带，这时期的化石凌乱琐碎，很难归类是直立猿人还是南方古猿。

He found many fewer fossils that time, but enough to conclude he was looking at a new species, which he named Australopithecus sediba.

那次他找到的化石比这次少得多，但也足以得出找到了新物种的结论，他把该新物种命名为南方古猿源泉种（Australopithecus sediba）。

Currently, they are performing further study on these fossils.

目前, 他们正在对这批化石作进一步研究.

The scientific investigation team found many mammoth fossils in the forest.

科考人员在森林中发现了很多毛象的尸骨化石.