English translation for "primitive bird"
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- 原始鸟类
Related Translations:
primitive: adj.1.原始的，上古的；早期的。2.古风的，老式的；粗糙的，简单的；幼稚的，未开化的，不发达的。3.纯朴的，自然的。4.原来的，基本的，非派生的 (opp. derivative); 最初的，第一位的 (opp. secondary)。5.【生物学】初生的；【地质学；地理学】初期的。6.自学出来的；由自学的艺术家创作的。短语和例子primitive men 原始人。 t
- Example Sentences:
| 1. | New advances in the study of the primitive bird confuciusornis
南澳岛及其附近岛屿夏季鸟类的初步调查 | | 2. | The feathers attached to the arms and the tail evidently possess the structures of " modern feathers " , which consisting of the central shafts ( rachis ) and parallel barbs . dromaeosaurids are unusual group of maniraptoran theropods . they share many similar or the same features with archaeopteryx or other primitive birds , such as : u - shaped furcula , uncinate process , laterally facing glenoid of shoulder girdle , comparatively long forelimb , large semilunate carple , retroverted pubis , ascending process of astragalus , and " modern feathers " with rachis and barbs etc . these facts indicate not only that dromaeosaurids had developed many bird - like characters in course of the advanced maniraptorans toward birds , but also that there seemed to be the co - evolutionary trend between the feathers and the skeletal bones
奔龙类是一类较为特殊的手盗龙类( maniraptora ) ，它具有许多与始祖鸟archaeopteryx甚至其它早期鸟类相似或接近的特征，主要表现在：叉骨u形与始祖鸟和孔子鸟类的相同，背肋钩状突在孔子鸟类和个别反鸟类中也存在，肩臼窝绝大部分指向侧方类似于始祖鸟，肩胛骨与乌喙骨间的夹角非常接近90也和始祖鸟的相似，前肢从比例上讲显得较长，大的半月形腕骨使肘部能向侧方折过来，耻骨伸向后下方，距骨上升突与原始鸟类中的为同源结构，羽毛已有显著的分化且具备了现代羽毛的基本结构等等。 |
- Similar Words：
- "primitive band" English translation, "primitive behavior" English translation, "primitive belief" English translation, "primitive bfu-erythroid progenitor" English translation, "primitive binary quadratic form" English translation, "primitive black hole" English translation, "primitive blastema" English translation, "primitive blood cell" English translation, "primitive body cavity" English translation, "primitive body segment" English translation
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