龍骨突 的英文怎麼說
中文拼音 [lónggǔtū]
龍骨突
英文
cardia sterni- 龍 : Ⅰ名詞1 [動物學] (古代傳說中的神異動物) dragon2 (古代巨大的爬行動物) a huge extinct reptile:恐...
- 骨 : 骨名詞1 (骨頭) bone2 (物體內部的支架) framework; skeleton 3 (品質; 氣概) character; spirit ...
- 突 : Ⅰ動詞1 (猛沖) dash forward; shoot out 2 (高於周圍) protrude; bulgeⅡ副詞(突然) abruptly; sud...
- 龍骨 : 1 (鳥類的胸骨) a bird s sternum2 [中藥] fossil fragments3 (船隻、飛機、建築物等的支撐和承重結...
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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
奔龍類是一類較為特殊的手盜龍類( maniraptora ) ,它具有許多與始祖鳥archaeopteryx甚至其它早期鳥類相似或接近的特徵,主要表現在:叉骨u形與始祖鳥和孔子鳥類的相同,背肋鉤狀突在孔子鳥類和個別反鳥類中也存在,肩臼窩絕大部分指向側方類似於始祖鳥,肩胛骨與烏喙骨間的夾角非常接近90也和始祖鳥的相似,前肢從比例上講顯得較長,大的半月形腕骨使肘部能向側方折過來,恥骨伸向後下方,距骨上升突與原始鳥類中的為同源結構,羽毛已有顯著的分化且具備了現代羽毛的基本結構等等。It shows many typical characters seen in the type species of the genus of sinornithosaurus, which discovered also from western liaoning. ngmc 00 - 12 - a can further be included in sinornithosaurus by the dentary bifurcated posteriorly, unserrated premaxillary teeth, u - shaped furcula, extremel y short manual phalanx iii - 2 in comparison with the length of phalanx iii - l, very large and developed obturator process of the ischium, partially arctometatarsalian metatarsal iii and so on
它具有許多中國鳥龍屬sinornithosaurus所特有的特徵,如:齒骨後部分叉、前頜骨齒齒冠前後緣均無小鋸齒、叉骨u形、第指第2指節很短、坐骨封閉突極大且具有坐骨後背突、第?骨部分窄足型等,因而無疑應歸入該屬中。Like other hadrosaurs, edmontosaurus were social animals that gathered in herds, as evinced by their bones, which have been found in piles at various places in northern alaska as though groups of them had died in a flash flood
愛德蒙脫龍和其他種類的鴨嘴龍都是社會性動物,常常聚集成群,這一點由骨頭可以看出, ?們的骨頭在阿拉斯加北部許多地方都是成堆出現;一般認為, ?們是因突如其來的洪水而成群死亡。
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