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Used in some classification systems: a group of extinct fossil gymnosperms coextensive with the order Cycadofilicales.

用于某些分类系统中；一个灭绝的裸子植物化石群，与苏铁蕨目同域。

One extinct hamster of Cricetus , for example, lived in North Africa during the Middle Miocene, but the only extant member of that genus is the common hamster of Eurasia.

一个灭绝仓鼠的Cricetus ，例如，生活在北非，中东中新世期间，但现存的唯一成员，这是共同的属仓鼠欧亚大陆。

A member of the Crossopterygii, a group of bony fishes with paired, rounded fins that are extinct except for the coelacanths and are regarded as ancestors of amphibians and other terrestrial vertebrates.

总鳍鱼一种总鳍目鱼，长有成对的圆形鳍，除了空鳍鱼类的鱼之外现已全部灭绝，被认为是两栖纲动物和其它陆生脊椎动物的祖先

Palmlike gymnosperms: includes the surviving order Cycadales and several extinct orders; possibly not a natural group; in some systems considered a class and in others a subdivision.

棕榈状裸子植物；包含现在还幸存的苏铁目和其它几个已灭绝的目；可能不是一个自然群体；在某些分类中，被视为一个纲，在另外一些分类中则为一个亚部。

An extinct seed-producing fernlike plant of the order Cycadofilicales.

苏铁属的一种已经灭绝的类似于蕨类的种子植物。

Eel-shaped vertebrate without jaws or paired appendages including the cyclostomes and some extinct forms.

缺少下巴或成对附器的似鳗的动物包括圆口纲脊椎动物和某些灭绝的种类。

An extinct family of Dinocerata.

已灭绝的恐角目中仅有的一科。

Any of various flightless ostrichlike birds of the family Dinornithidae,native to New Zealand and extinct for over a century.

恐鸟产自新西兰，已灭绝一个多世纪的任何恐鸟科的无翅的，似鸵鸟的鸟

Scientists have found microscopic diamonds across North America in a black layer of carbon-rich material corresponding to the beginning of the Younger Dryas, a 1,300-year cold spell during which North American mammoths, saber-toothed cats, camels and giant sloths became extinct.

科学家们发现极小的钻石全北美黑色一层富含碳的材料相应的开头新仙女木，一个1300年的春寒中北美猛犸象，剑齿猫科动物，骆驼和巨大sloths灭绝。

As those epicontinental seas drained, animals such as mosasaurs and giant sharks went extinct, and conditions on the marine shelves where life exhibited its greatest diversity in the form of things like clams and snails changed as well.

由於这些陆缘海域排水，动物，如mosasaurs和大鲨鱼的消失和条件对海洋生命的货架展示其最大的多样化的形式，像蛤，蜗牛改变。

He has to relate with three women in the movie, and yet remain implicitly faithful to the unseen Lucinda.

让克劳德布里亚里成功地饰演试验了一个难度很大的角色：和三个女人打交道，但还要底下对观众未曾谋面的卢馨达保持忠诚。

The experiment was conducted to study effects of inulin on the growth performance, indices of immune organs and serum immunoglobulin of laying chicklings as well as the performance of inulin which replaced the antibiotics in diets by adding 0.2%, 0.4% and 0.8% of inulin, respectively.

试验旨在通过在蛋用雏鸡日粮中添加0.2%、0.4%和0.8%的菊粉，研究菊粉对蛋雏鸡生长性能、免疫器官指数和血清免疫球蛋白的影响，以及菊粉替代抗生素对蛋雏鸡的应用效果。