| 释义 |
pterosaurs 英pterə'sɔːz美pterə'sɔːz COCA¹²⁵⁰³⁶BNC¹⁰⁴⁵⁸⁴⁺⁶
基本英英例句
飞龙目,飞龙类原型pterosaur的三单
名词 pterosaur:
an extinct reptile of the Jurassic and Cretaceous having a bird-like beak and membranous wings supported by the very long fourth digit of each forelimb In pterosaurs a greatly elongated fourth finger of each forelimb supported a wing like membrane. The other fingers were short and reptilian, with sharp claws.
翼龙每个前肢的大大延长的第四指支撑一个翅膀状的薄膜，其它指头小，而且是典型的爬行动物式，有尖爪。 koolearn
The origin of feathers could be pushed back further still if the“ fuzz” found on some pterosaurs is confirmed to be feathers, since these flying reptiles share an even older ancestor with dinosaurs.
如果某些翼手龙身上的“绒毛”被证实的确为羽毛的话，那羽毛的起源就可以上溯到更为远古的年代，因为翼手龙与恐龙共同拥有某个更为古老的祖先。 yeeyan
The pterosaurs resembled both birds and bats in their overall structure and proportions.
翼龙和鸟类以及蝙蝠在总体结构及比例上很相似。 koolearn
Birds evolved from dinosaurs, but the origin of their feathers may trace back even deeper in time, to the common ancestor of dinosaurs and pterosaurs, like the fossil at left.
鸟类是从恐龙进化而来的，但羽毛的起源则要追溯到更为久远的上古时代，恐龙和翼手龙的共同祖先才是羽毛出现的源点，例如上图左边的这块化石。 yeeyan
But a team of paleontologists from a British university said the pterosaurs used their powerful legs and arms to leap into the air, rather like pole vaulters in athletics.
但是，一所英国大学的古生物学家小组称，翼龙利用他们强有力的腿和手臂在空中飞跃，就像田径撑竿跳高一样。 tingclass
It is likely that pterosaurs buried their eggs in underground nests, allowing the eggs to soak up water and gain mass during incubation, a technique used by modern lizards and snakes.
翼龙很可能将龙蛋埋在地下巢穴，使龙蛋在孵化过程中能够吸收水分和营养，这常见于现代的蜥蜴和蛇。 yeeyan
Like their cousins the dinosaurs, pterosaurs stand out as one of evolution's great success stories.
像他们的堂兄弟恐龙，翼龙站出来，作为一个进化的伟大的成功故事。 fossilshk
Perhaps the least controversial assertion about the pterosaurs is that they were reptiles.
可能，最少引起争论的意见就是翼龙是爬行动物。 koolearn
Schmitz and Motani measured the inner and outer dimensions of this ring, plus the size of the eye socket, in33 fossils of dinosaurs, ancestral birds and pterosaurs.
斯切米茨和藻谷测量了33具恐龙、始祖鸟和翼龙化石的巩膜环内围和外围及眼眶大小。 yeeyan
The first wrongly assumes that the pterosaurs' hind feet resembled a bat's and could serve as hooks by which the animal could hang in preparation for flight.
第一种错误地设想翼龙的后爪象蝙蝠一样，钩子似的挂着为飞行做准备。 koolearn
The second hypothesis seems unlikely because large pterosaurs could not have landed in trees without damaging their wings.
第二种看来也不可能，因为大型翼龙不可能降在树上而不伤害它们的翅膀。 koolearn
The fossil remains of the first flying vertebrates, the pterosaurs, have intrigued paleontologists for more than two centuries.
第一批会飞的脊椎动物——翼龙的化石，已经让古生物学家感兴趣达两个多世纪了。 koolearn
The wind that made such waves however, might have been too strong for the pterosaurs to control their flight once airborne.
然而，能产生此种大浪的风可能对翼龙来说过于猛烈，以至于它一旦升空，就无法控制自己。 koolearn
These conditions gave rise to the dinosaurs, pterosaurs, and early crocodilians.
这些条件，引起了恐龙，翼龙，鳄鱼和早期。 fossilshk
These early pterosaurs all had a mouth full of teeth, usually small at the back and larger at the front.
这些早期翼龙嘴里都长满了牙齿，通常来说，小的牙齿长在后面，大的牙齿长在前面。 cri
Uncontested in the air, pterosaurs colonized all continents and evolved a vast array of shapes and sizes.
无争议的在空气中，翼龙殖民地人民的所有大陆和形成了大量的形状和大小。 fossilshk
Unlike dinosaurs, whose ancestral features are preserved in birds, pterosaurs were an evolutionary dead end.
普通恐龙的遗传特征在鸟类中有所保留，而翼龙则不同，它们的进化到了尽头。30462.com
Pterosaurs, also sometimes referred to as pterodactyls, dominated the skies in the Mesozoic Era,220-65 million years ago.
翼龙又被称为翼手龙，生活在距今22亿年到6亿5千万年前的中生代，它们是天空的统治者。 yeeyan
Pterosaurs, like these depicted gliding near an ancient sea, first arose during the Triassic period about215 million years ago.
翼龙一样，这些描绘滑翔附近的一个古老的大海，首先出现在三叠纪时期，约2.15亿年前。 fossilshk
Pterosaurs became extinct65 million years ago, at the end of the Cretaceous Period.
翼龙灭绝六千五百万年前，在去年底的白垩纪时期。 en400
Pterosaurs lived in the Triassic period with the oldest examples dating back to around220 million years ago.
翼龙生活在三叠纪，而最早的化石样本可以追溯到大约2亿2千万年前。 iciba |