No, I'm past the S.I. joint and the S1 body.

不 已经穿过了骶髂关节和S1腔。

They let outside air into the humid cavity through tiny holes which are controlled by hermetically sealed valves.

它们通过受密闭阀门控制的小孔让外界空气进入潮湿的腔。

This can range from a heart that's on the right instead of the left to the entire body cavity being flipped around.

可能包括心脏右边而不是左边，或者整个腔的位置完全翻转。

Instead, horseshoe crab blood flows freely through the body cavity and comes in direct contact with tissues.

相反， 鲎的血腔内自由流动，直接与组织接触。

So the testes have to be outside the body cavity to reach the lower temperature necessary for proper spermatogenesis, or sperm production.

所以睾丸必须腔之外，才能达到常精子发生或精子产生所需的较低温度。

Some of these sacs sat in the body cavity, next to bones, usually in the neck, back, and hips.

其中一些囊位于腔内，靠，通常位于颈部、背部和臀部。

AIR IS HEATED AS IT FLOWS THROUGH THE CHAMBERS OF THE BOX, AND THEN EXITS FROM THE SIDE PANELS.

空气流经箱腔室时被加热，然后从侧面板排出。

Their convex bulge we see on several species covers a moist cavity that protects its respiratory resistance from the dryness of the outside world.

我们能其中几种身上发现隆起这里面是个潮湿的腔保护其呼吸阻力不受外面世界的干燥影响。

And plant-eating in these dinos has been supported by the discovery of a dozen skeletons of Sinornithomimus with clumps of gastroliths inside their body cavities.

这些恐龙以植物为食得到了十多具似中国鸟的骼的支持，它们的腔内有成块的胃石。

This eggshell forms inside the body cavity of the dinosaur, meaning that the dinosaur had to have had enough extra calcium in its body to create the shell.

这种蛋壳恐龙的腔内形成，这意味着恐龙内必须有足够的额外钙才能形成蛋壳。

From the microbes' point of view, however, they're just a useful device to enlist a host's help in inoculating microbes into a body cavity of a new host.

然而，从微生物的角度来看，它们只是一种有用的装置，可以帮助宿主将微生物接种到新宿主的腔中。

It covers the surface of your body when it combines with connective tissue to create skin, but it also lines your body cavities, and coats the internal and external walls of many of your organs.

当它与结缔组织结合形成皮肤时，它覆盖了你的身表面，但它也覆盖了你的腔，并覆盖了你许多器官的内外壁。

Worms from the phylum Nematoda or the phylum  Annelida have some sort of body cavity— a fluid-filled space between the body  wall and the digestive tract that helps transport nutrients and corresponds to  the development of more complex systems.

线虫门或环节动物门的蠕虫具有某种腔——壁和消化道之间的充满的空间，有助于运输营养物质并与更复杂系统的发展相对应。