始新世

The thermal optimum of Cenozoic is known to occur in Early Eocene and the climate cooled down gradually thereafter.

全球气候在始新世总体上经历了由极热逐渐转冷的过程。

During the Eocene, this region was located at much the same latitude it is today, though global climate was more equable.

在始新世期间，这个地区是位于今天的同一纬度，可是那是全球气候差异变化比较小。

The Leaf Margin Analysis method was used here to reconstruct Mean Annual Temperature of six Chinese Eocene floras.

文中采用叶缘分析法首次定量重建中国始新世6个植物群的古年均温。

In Europe and Asia, Eocene fossil localities are incomplete or have been disturbed, so the fact that the Green River locality is so complete allows scientists to form a more comprehensive picture of the era.

在欧洲和亚洲，始新世化石形成的地方都不完整或已经被破坏了。所以从完整绿河的地点科学家们可以描绘出一副更全面的那个时期的蓝图。

Keywords: Euprimate; origin and evolution; Eocene

中文关键词：真灵长类；起源与演化；始新世

The research, conducted by the Arctic Coring Expedition and published today in Nature magazine, examined a period 55 million years ago called the Eocene.

该项研究是由北极地心考察探险队发起的，发表在今天出版的《自然》杂志上，研究考察了5500万年前的所谓的始新世时期。

At least one aspect of Ida is unquestionably unique: her incredible preservation, unheard of in specimens from the Eocene era, when early primates underwent a period of rapid evolution.

至少Ida的一个方面毫无疑问是独特的：当早期的灵长类经历一个快速的进化期时，从始新世时代就已开始的难以置信的标本保存和未知性。

Our project is the first one in China that focus on the suoids, which discuss about all the known suoid fossils found from Eocene to Pliocene in China. The origination, evolution, paleoecology and paleogeography are the key topics in the project, and thus the project is a compositive study of Chinese fossil suoids.

本项目是国内首个以猪形类为内容的专题研究，涉及了我国境内从晚始新世到上新世发现的几乎所有重要的猪形类化石，涉及到猪形类的起源、进化、生态、古地理等方面的研究，是对中国猪形类较为全面系统的综合性研究。

We studied a maxillary fragment of tarsier and revealed that tarsiers had already achieved gigantic orbits and bell-shaped palate by the time of middle Eocene.

对于眼镜猴上颌骨片断的研究表明，中始新世的眼镜猴已经具有了如同现生眼镜猴一样的钟形腭和明显增大的眼眶。

A small, herbivorous, extinct mammal of the genus Hyracotherium from the Eocene Epoch of the western United States, having four-toed front feet and three-toed hind feet and related ancestrally to the horse.

始祖马始新世产于美国西部的一种属于蹄兔属的哺乳动物，已灭绝，体型小，食草，前蹄四趾，后蹄三趾，为马的远祖

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失