This species is extremely rare.

这一物种极为罕见。

《牛津词典》

A number of features discriminate this species from others.

有许多特征使这一物种与其他物种区别开来。

《牛津词典》

This species is found in coastal waters around the Indian Ocean.

在环印度洋沿岸的海域有这一物种。

《牛津词典》

As early as eighteen thirty-seven, he imagined this process as a tree with branches representing new species.

VOA: special.2009.02.25

You're taking advantage of a promoter system, or a gene activation system, that this species knows about because adult animals can make milk.

我们之所以能利用这个启动子系统,或者称之为可以被这一物种识别的,基因活化系统,是因为成年动物可以泌乳

耶鲁公开课 - 生物医学工程探索课程节选

And the idea of this--What that means is that development of an individual mimics or repeats development of the species.

这个短语的意思是,个体的发展,模拟或重演了种族的发展

耶鲁公开课 - 心理学导论课程节选

We now know more about the diet of this species than any other dinosaur.

BBC: Small dinosaur 'hunted like cat'

Conservation director Martin Harper said it was a "stark reminder of how fragile this species is".

BBC: Stone curlews died underweight because of 'cold spring'

And what it is about this species that makes them more likely to contract cancer?

NPR: Startling New Evidence Cancer Is Contagious