有两足的

Next, why are man and bird bipeds, but fish footless; and why do man and bird, though both bipeds, have an opposite curvature of the legs.

其次，为何人鸟两足动物，但鱼无足；，为什么人与鸟，尽管都两足动物，有一个相反的腿弯曲。

The first is what are the fewest points of motion necessary to animal progression, the second why sanguineous animals have four points and not more, but bloodless animals more than four, and generally why some animals are footless, others bipeds, others quadrupeds, others polypods, and why all have an even number of feet, if they have feet at all; why in fine the points on which progression depends are even in number.

首先是运动是什么必要的动物进展最低分，第二个为什么血红的动物有四点意见，而不是多，但不流血的动物超过4，一般为什么一些动物是无足，其他两足动物，其他四足动物，其他polypods ，为什么都有一个偶数的脚，如果他们在所有的脚，为什么在精细点上的进展取决于更是增多。

The creatures that have feathered wings or leathern wings have either two feet or no feet at all: for there are said to be certain flying serpents in Ethiopia that are destitute of feet.

有羽质翅膀或皮质翅膀的动物或者两足，或者根本没足：因为据说可以肯定，埃塞俄比亚的飞蛇是没有脚的。

In our experiment, we found two abnormal phenotypes that one only the last three segments develop into pupa, but the other segments are still keep the larva characters; another sample has differently develop speed between abdomen and backside, which resulted in the back develop into pupa but the abdomen were still the larva characters. When we add Az in the feed of injected EcR-dsRNA samples, in the 13 live larvae we found that 6 have the abnormal proleg phenotypes.

在另一组注射EcR-dsRNA以后通过浸叶法添食不同浓度的印楝素，在10ppm处理组存活的13个个体中有6个出现特异表型，其中两个幼虫为不完全蜕皮，尾部体节无法蜕皮导致发育受阻；另外发现4个供试虫体发育至五龄时出现腹足缺失表型，其中有两个是腹足几乎全部缺失，腹足应该生长的部位只有少数几个突起，没有发育成形的腹足；一个出现左侧腹足完全缺失，右侧第二腹足缺失表型；另一个个体只缺失了左侧最后一个腹足。

Chocolate cyst because of laparoscopic surgery done, after a year into endometriosis, a few years had not been pregnant in 2006 than during the injection of 4-pin "诺雷德" control of the uterus size, and then found that there are two Adenomyoma, 2007 date in November to do a hysteroscopy open end of the umbrella, with the baby in March this year, I have been very worried about the healthy full-term baby was born, now I pregnancies 33 weeks, and recently have become more frequent in pseudo-contraction, I would like to pay attention to anything else?

患有子宫腺肌症和腺肌瘤的孕妇33周后要注意什么事项？2004年因为巧克力囊肿做了腹腔镜手术，后一年变为子宫内膜异位症，几年未曾怀孕，2006年期间注射过4针&诺雷德&控制了子宫的大小，后又发现有两个腺肌瘤，2007年月11月做了宫腔镜打通了伞端，今年3月有了宝宝，我一直很担心宝宝能否健康足月出生，现在我怀孕33周了，最近假性宫缩较频繁，我要注意什么吗？

Taken together, the findings provide support for the hypothesis that anatomical differences affecting gait existed among our earliest apelike ancestors, and that these differences provided the genetic variation which natural selection could act on when changes in the environment gave bipeds an advantage over quadrupeds.

第六段告诉了我们研究的两个假设：一种假设：猿人祖先在解剖学意义上存在着差异，这一差异影响了它们的步态；另一种假设：这些差异为自然选择所决定的遗传变异提供了可能性，而环境变化使得两足行走的猿人比起四足行走的猿人更有优势。因此B是答案。

To make this successful, your have to fullfill your speach with truth, authentical statistics, scientific data and so on, which would make your speach acceptable and reasonable.

宿舍卫生间脱落了几块瓷砖的墙上，莫名地落着一只奇大的飞蛾，翅上有两个像眼睛的圆形花纹，它静静停在那里两翅之间足有巴掌长。

Insect:Any of numerous usually small arthropod animals of the class Insecta, having an adult stage characterized by three pairs of legs and a body segmented into head, thorax, and abdomen and usually having two pairs of wings.

昆虫：数量众多，通常为昆虫纲的小型节肢动物，成年期中有三对足，身体分成头、胸和腹三部分，通常有两对翅膀。

The whiskered biped stands about 2.2 meters tall, had three-clawed hoof-like hands, and said very little.

这个有胡子的两足动物站立时约2.2米高，手像蹄子而有三个爪，沉默寡言。

All creatures that are capable of motion move with four or more points of motion; the blooded animals with four only: as, for instance, man with two hands and two feet, birds with two wings and two feet, quadrupeds and fishes severally with four feet and four fins.

所有能够运动的动物都有四个或更多的运动触点；有血动物只有四个：像是，例如，人有两手和两脚，鸟有两翅和两足，四足动物和鱼各自有四足和四鳍。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。