尽管有许多证据表明鸟类是从陆生兽脚亚目恐龙进化而来的，但一些科学家仍然表示怀疑。
Although many lines of evidence indicate that birds evolved from ground-dwelling theropod dinosaurs, some scientists remain unconvinced.
早期的兽脚亚目食肉恐龙，包括从迅猛龙到霸王龙在内的所有肉食物种，抢占了地盘并茁壮成长。
Early therapods, the group of dinosaurs that includes all meat-eating species from Velociraptor to Tyrannosaurus rex, gained ground and thrived.
事实上，一些裸鳃亚目动物会从它们的食物中储存毒素，使得这种类似鼻涕虫的生物对捕食者来说是致命的。
Indeed, some nudibranchs store up toxins from their diet of poisonous sponges, making the slug-like creatures themselves deadly to predators.
生物学家们长期认为，两类鳍脚亚目动物，即海狮和海象，都是从一种陆地上的类似于熊的动物繁衍而来的。
Biologists have long maintained that two groups of pinnipeds, sea lions and walruses, are descended from response to similar environmental pressures.
这种反对是合理的，因为只有早期的兽脚亚目食肉恐龙的锁骨才被发现，但是现在已经发掘出了类似始祖鸟的叉骨的兽脚亚目食肉恐龙锁骨化石。
This objection was reasonable when only early theropod clavicles had been discovered, but fossilized theropod clavicles that look just like the wishbone of Archaeopteryx have now been unearthed.
这是一种兽脚亚目肉食恐龙。
鸣禽亚目一个科里的鸟。
这是仅有的几种无色的裸腮亚目动物之一。
十腕亚目动物如鱿鱼，乌贼，有十只象胳膊一样的触角。
A cephalopod mollusk, such as a squid or cuttlefish, having ten arm like tentacles.
有鳍状肢的属于鳍脚亚目动物的，肉食水生动物的一个分支，包括。
Of or belonging to the Pinnipedia, a suborder of carnivorous aquatic mammals that includes the seals, walruses, and similar animals having finlike flippers as organs of locomotion.
一种鸟，尤其指雀形目鸟中鸣禽亚目中的一种，其歌声或叫声宛啭动听。
A bird, especially one of the suborder Oscines of passerine birds, having a melodious song or call.
本文报道了云南和武陵山地区的广腰亚目昆虫，共8科47属112种。
Insects of Symphyta, involving 8 families, 47 genera and 112 species, are listed in the present paper.
兽脚亚目食肉恐龙是早期的有翼和羽的恐龙，其主要靠后足行走且不会飞行。
Theropods were early winged and feathered dinosaurs that walked mainly on their hind legs and were incapable of flight.
在那样一种环境下，即便是一头巨大的兽脚亚目食肉恐龙也会不时回头张望。
In that sort of environment even a big theropod would constantly have been looking over its shoulder.
古生物学家正在对鸟类的兽脚亚目最近亲进行仔细研究，以寻找这种转化的线索。
Paleontologists are now carefully studying the closest theropod relatives of birds for clues to how this transition occurred.
这种结构最终被证实是极其原始的羽毛——且存在于陆生的兽脚亚目恐龙身上。
At last there was evidence of truly primitive feathers—found on a ground-running theropod.
座头鲸不像齿鲸亚目鲸或齿鲸，它们是须鲸亚目、无害的大海兽，嘴里只有须鲸板。
Unlike orca, which are odontocetes or toothed whales, humpbacks are mysticetes, harmless leviathans with only baleen plates in their mouths.
南美水生昆虫百科全书：半翅类-异翅亚目：南美洲的已知科，属，物种的插图说明。
Encyclopedia Of South American Aquatic Insects: Hemiptera - Heteroptera: Illustrated Keys to Known Families, Genera, and Species in South America.
本文报道福建省南靖县虎伯寮国家级自然保护区蜻蜓目昆虫2亚目14科45属64种。
This paper reports 64 species of Odonata from Huboliao National Nature Reserve of Fu-jian, including 2 suborders, 14 families and 45 genera.
科学家们一直认为羽毛最初出现在兽脚亚目恐龙的某个早期成员身上，该成员最后进化为鸟类。
Until recently it was thought that feathers first appeared in an early member of the lineage of theropods that leads to birds.
本文是关于中国细足猎蝽亚科（半翅目：异翅亚目：猎蝽科）的系统分类研究的硕士学位论文。
The present paper is a thesis for the degree of m. s. , which deals with the taxonomy of the subfamily stenopodainae ( heteroptera : reduviidae ) from china.
蜥蜴亚目巨蜥科巨蜥属爬虫类通称，约30种。产于东半球的热带和亚热带地区。好评(0)。
Any of about 30 species of lizards (genus Varanus, family Varanidae), found in the Old World tropics and subtropics.
这个“二人组”就成了已知最古老的化石证据，来支持无气门亚目一类螨虫的搭便车现象，或称寄载现象。
That makes the duo the oldest known fossil evidence of hitch-hiking behavior, or phoresy, in a large group of mites called the Astigmata.
这只恐龙很可能是原始的蜥脚类亚目动物——长颈、四条腿的食草动物，类似于我们较为熟悉的腕足类恐龙。
The animal would have been a primitive sauropod — a long-necked, four-legged grazer similar to the better known brachiosaurs.
白垩纪被称为鸟脚亚目食草恐龙其地位相当于斑马和羚羊——每部有关非洲大草原的纪录片中被捕杀的种群。
The Cretaceous equivalent of zebra and antelopes—the victim species in every wildlife documentary about the dramas of the African savannah—were herbivorous dinosaurs called ornithopods.
白垩纪被称为鸟脚亚目食草恐龙其地位相当于斑马和羚羊——每部有关非洲大草原的纪录片中被捕杀的种群。
The Cretaceous equivalent of zebra and antelopes—the victim species in every wildlife documentary about the dramas of the African savannah—were herbivorous dinosaurs called ornithopods.
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