forelimb 中文意思是什麼
forelimb
解釋
n. 名詞 【解剖學】前肢，上肢。-
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。 -
The doctor said the problem lied in its forelimb and it would not die
醫生說問題在於它的前肢上，不過它不會死的。 -
Removing a hundred tons of rock by hand while watching out for polar bears, the team recovered a large chunk of the skeleton, including portions of its estimated ten - foot - long ( three - meter ) skull, an almost complete forelimb, and sections of its dinner - plate - size verteb * *
在北極熊的監視下，用手搬開了數以百噸的石頭后，研究隊發現了一副巨大的骨骼.包括約是英尺長（三米）的頭骨.幾乎完整的前肢和截面如大盤子般的脊椎骨
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