Some of the models contained an air sac.
其中一些模型含有气囊。
Perhaps we are really talking about amniotic fluid, which surrounds the foetus in the birth sac.
也许我们真正在谈论的是羊水，也就是包围着胎儿的那些液体。
They're also difficult to maintain because your navigation logic has to store information about how a user got to this cul-de-sac.
而且还难以维护，因为您的导航逻辑必须存储与用户如何到达此死角相关的信息。
They must also keep swimming to keep from sinking, since most have largely or completely lost the swim bladder, the gas-filled sac that helps most other fish remain buoyant.
它们还必须不停地游动以避免下沉，因为大多数鱼基本上或完全失去了鱼鳔，这个充满气体的囊帮助大多数其他鱼保持浮力。
Chris has talked about pandas being an evolutionary cul-de-sac, and it's certainly unusual for a carnivore to take up herbivory.
克里斯曾经说熊猫是进化的尽头，而对于食肉动物来说，摄取食草动物是很不寻常的。
The melon is kind of a large sac-like pouch, made up of fat tissue.
甜瓜是一种大的囊状袋子，由脂肪组织构成。
More than 750,000 have graduated from SAC, with many seeking employment in engineering, aviation, education and a wide variety of other professions.
超过75万人从SAC毕业，其中许多人在工程、航空、教育和其他各种领域中寻找工作机会。
More than 750,000 have graduated from SAC(Space and Aviation Center), with many seeking employment in engineering, aviation, education, medicine and a wide variety of other professions.
超过75万人从航天中心毕业，其中许多人在工程、航空、教育、医学和其他各种专业上寻求就业机会。
Extraembryonic mesoderm migrates through primitive streak to the presumptive yolk sac between days 6.5 and 7.0 of gestation.
胚外中胚层在妊娠的第6.5至7.0天之间通过原始条带迁移到推测的卵黄囊。
One touch of a female's egg sac and they go ballistic, grappling any other male within reach.
变得争强好胜。 仅仅是对雌性卵囊接触也会使得他们反应过度，和范围内潜在的雄性扭打一团。
A similar sac is much bigger in other animals than it is in humans and is used to aid in digesting high cellulose diets.
在其它动物身上，类似的一个囊会更大一些，它是用来消化高纤维素食物的。
Worse was to come when tests also confirmed a tear in the amniotic sac, which meant the waters were leaking.
更糟糕的是，他们还检测到，羊膜囊也破裂了，羊水开始外流。
On average, he said, one out of every 20,000 chicken eggs contains a small amount of salmonella that is deposited into the sac by the hen.
每2万个鸡蛋中会有一个鸡蛋带有少量沙门氏菌，这是由母鸡下蛋时分泌在液囊里。
On average, he said, one out of every 20, 000 chicken eggs contains a small amount of salmonella that is deposited into the sac by the hen.
每2万个鸡蛋中会有一个鸡蛋带有少量沙门氏菌，这是由母鸡下蛋时分泌在液囊里。
To find out how having an air sac changed the sounds produced, Dr DE Boer created plastic models of the mouth, tongue and throat and forced air down them to produce different vowel sounds.
为了解释气囊如何改变声音，deBoer博士制作了口腔、舌和喉的塑料模型，并压入空气使之发出不同的元音。
We cut across a cul-de-sac that says "do Not Enter," make a sharp left turn and maneuver down lanes of brick row houses.
我们抄近路穿过一个被标明为“不许进入”的死巷，来了一个急剧的左转之后钻进了砖房之间的小道。
Fluid in the amniotic sac surrounding the fetus also contains fetal DNA.
羊膜中的液体包围这胎儿同样含有胎儿的DNA。
Though her children live on, thanks to Wilbur rescuing the egg sac she leaves behind at the county fair, Charlotte dies, as spiders do, at the end of the summer.
虽然威尔伯带回了夏洛留在农展会上的蛋，使她的孩子们都活了下来，但是夏洛死了，就像所有蜘蛛一样，死于夏末。
The Aquarius/SAC-D is a global collaboration with partner Argentina as well as France, Brazil, Canada and Italy, NASA said.
NASA表示，水瓶计划是一个全球合作的任务，不单单包括阿根廷，还有法国，巴西，加拿大和意大利。
If your doctor leaves pieces of the baby, placenta, umbilical cord, or amniotic sac in your body, you may develop pain, bleeding, or a low grade fever.
如果医生将胎儿、胎盘、脐带、或羊膜的碎片滞留在你的身体里，你会发生疼痛、出血，或者低烧。
Unfortunately for investors, H-P looks to be in a strategic cul-de-sac from which there may be no exit.
对投资者来说，不幸的是惠普看起来处于一个可能没有出路的战略死胡同。
It's like saying the blue whale is in an evolutional cul-de-sac because it lives in the ocean.
(派克汉姆的言论)就好比说蓝鲸钻进了进化死胡同，因为它们生活在海洋。
Longueuil and Freeman both worked for SAC Capital Advisor at one point, and Barai and Pflaum for Barai's firm, Barai Capital Protection.
朗奎尔和弗里·曼都曾为SAC资本咨询公司工作过。巴莱和弗洛姆曾在巴莱创立的巴莱资本保护公司工作。
The cul-de-sac stasis of life in the suburban middle class?
是郊区中产阶级生活的静止的死胡同？
Construction of a new SAC facility to manufacture the SkyCatcher has started.
目前沈飞已开始着手建设新工厂生产该机。
Construction of a new SAC facility to manufacture the SkyCatcher has started.
目前沈飞已开始着手建设新工厂生产该机。
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