When this fluid builds up, it makes gas exchange inside the alveoli much more difficult.

当这些液体积聚起来后，就会使气转换更加困难。

The body also tries to force the fluid out of the alveoli through coughing.

身体也试图通过咳嗽，使那些液体脱离。

At the end of each branch is a tiny air sac called an alveolus.

每个分支末端都有一个叫做小气囊。

Emphysema is when the tiny structures in your lungs called alveoli, break down.

气肿是指中被称为微小结构破裂。

As alveoli are responsible for gas exchange, this is not good news.

由于负责气体交换，这可不是好消息。

Men have some breast tissue as well, but they lack milk secreting alveoli.

男性也有乳房组织，但他们没有分泌乳汁腺。

Both bones have an alveolus, or socket, for each tooth.

它们都富有凹槽即牙槽，以放置牙齿。

The first part is the root, and it sits within the alveolus.

第一部分是牙根，位于牙槽骨。

These outpouchings are called alveoli, and there are about 500 million of them within the lungs.

这些突起称为，部大约有5亿个。

In the lungs, the capillary lines up alongside a small sack of air called an alveolus.

里，毛细血管包绕着半球状囊，即。

In healthy babies, the alveoli are like perfectly inflated mini-balloons.

健康宝宝体，就像一个个充满了气微型气球一样。

Pneumonia is an infection of the alveoli that causes them to fill with fluid.

炎是一种感染，会导致充满液体。

They represent tiny air-sacs or alveoli getting filled with fluid, and turning a shade of grey on CT scans.

这代表着中充满了液体，从而CT显像中呈现灰色阴影。

If enough fluid fills some of these capillaries in the lungs, they can rupture, leaking blood into the alveoli.

一旦足量积液充斥着部毛细血管，可能会出现破溃，血液渗出进入。

When the lungs are affected, the toxins damage the alveolar-capillary membranes, which can result in bleeding within the alveoli.

部受累时，细菌毒素会破坏毛细血管膜，从而导致出血。

That problem happens deep in the lungs, in tiny air sacs called alveoli, which exchange carbon dioxide for oxygen.

这个问题出现部深处，叫做微小气囊中，是将二氧化碳转化为氧气部位。

They represent tiny air-sacs or alveoli getting filled with fluid, and turning a shade of grey on a CT scan.

这代表着中充满液体，从而CT显像中呈现灰色阴影。

The immune system releases additional white blood cells in the alveoli to help.

免疫系统也会中释放出更多白血细胞去帮忙。

Free from particles, the inhaled air is now in the alveolus surrounded by mostly type I pneumocytes.

移出异物后，中气周围围绕大多是I型细胞。

And with each breath in, oxygen enters the alveoli and freely diffuses into the blood.

而每次呼吸，氧气都会进入，通过自由扩散进入血液。