One way to tell is by measuring the bones of their forelimbs.
一种判断的方法是测量它们前肢的骨头。
He grapples with the manticore, keeping its mantis forelimbs from locking onto him.
他与这个蝎尾怪兽扭打着，不让它螳螂般的前肢夹住他。
Even rudimentary feathers on forelimbs could have expanded the arm's surface area to enhance lift slightly.
即使是前肢发育不全的羽毛也能扩大手臂的表面积，以略微提高升力。
Archaeopteryx shows no obvious features of gliders, such as a broad membrane connecting forelimbs and hind limbs.
始祖鸟并没有表现出明显的滑翔机的特征，比如有一层连接前肢和后肢的宽膜。
Perhaps some of them could climb trees, but no convincing analysis has demonstrated how Archaeopteryx would have both climbed and flown with its forelimbs.
也许其中一些祖鸟会爬树，但是没有令人信服的分析证明始祖鸟是如何用它的前肢既爬又飞的。
A person's arms homologize with a quadruped's forelimbs.
人的胳膊与四肢动物的前肢相应。
Standing also means your forelimbs can be used to manipulate objects and create tools.
同时，直立意味着前肢可以用来利用物品和创造工具。
With forelimbs longer than some automobiles, he's got weapons to rival a samurai sword.
有了这比一些汽车还长的前肢，它具备了足以匹敌日本战刀一样的武器。
They have a stout, coarse-haired body, a tapered muzzle, and hindlimbs longer than their forelimbs.
躯体肥胖，毛皮粗糙，口锥形。后肢比前肢长，两个后趾愈合。
The source of the nerve cells that power the animals’ forelimbs shifted, from the brain to the spinal cord.
从脑部到脊椎控制动物前肢的神经细胞源开始演化。
The source of the nerve cells that power the animals' forelimbs shifted, from the brain to the spinal cord.
大脑脊髓的神经细胞提供了动物前肢移动的力量。
So, because they have short forelimbs and long hindlimbs, they can jump easily, quickly and for long distances.
正是因为袋鼠前肢很短而后肢又很长，所以它们才能跳得又快又远。
Paleontologists had previously thought that some dinos' small forelimbs had served to catch insects or rip flesh.
考古生物学家以前认为有些恐龙的小前肢曾经起到捕捉昆虫或者撕肉的作用。
But this new research shows dinosaurs may have used their forelimbs to help with quickness, stability and agility.
但这一新研究表明，恐龙或许会用它们的前肢使自己的动作更为迅速、稳定、敏捷、灵活。
But this new research shows dinosaurs may have used their forelimbs to help with quickness, stability and agility.
但是，这项新的研究表明，恐龙可能用前肢来帮助它们快速移动、维持平衡以及保持灵活。
Methods Fresh human Wilms' tumour specimens were sliced and inoculated hypodermically into the forelimbs of nude mice.
方法切取肾母细胞瘤患儿肿瘤组织植入裸小鼠右前肢皮下，连续传代。
The four North American species (genus Gopherus) have a brown shell, about 8-14 in. (20-35 cm) long, and flattened forelimbs adapted for burrowing.
四种北美的品种有棕色的甲壳，长约20 ~35公分，前肢扁平，适于掘洞。
Their wings are evolutionary modification of the forelimbs, with greatly elongated fingers joined by a membrane that extends down the side of the body.
蝙蝠的翼是演化过程中由前肢演化而来。除拇指外，前肢各指极度伸长，有一片飞膜从前臂、上臂向下与体侧相连直至下肢的踝部。
Test2: the effect of Chuan-Xue-Gui injection on the repairing of radius defect in mature rabbits 16 healthy mature rabbits were used to build standard defect moulds on radius of left forelimbs.
试验二川血归注射液对成年家兔桡骨骨缺损修复的影响选用16只健康成年家兔，对其左前肢桡骨制造骨缺损标准模型。
Test2: the effect of Chuan-Xue-Gui injection on the repairing of radius defect in mature rabbits 16 healthy mature rabbits were used to build standard defect moulds on radius of left forelimbs.
试验二川血归注射液对成年家兔桡骨骨缺损修复的影响选用16只健康成年家兔，对其左前肢桡骨制造骨缺损标准模型。
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