You know them when they're occluded. You know them in the dark.

当有东西挡路的时候你会知道， 即便是在黑暗中。

This, coupled with thick tenacious secretions and crusts, may completely occlude the airway.

再加上厚厚的分泌物和伪膜，可能会完全堵塞气道。

Even parts, that are completely missing from our images or things that are occluded!

甚至连带图中缺失和封闭起来的部分！

And this can occlude normal blood flow.

这会阻滞正常血流。

Well, a heart attack is anything that occludes the vessel that feeds the heart.

嗯，心脏病发作是东西阻塞了供给心脏的血管。

It can also knock stuff over, and occlude your vision, and droop into your flasks.

它还会把东西打翻， 挡住你的视线， 掉进你的烧瓶里。

Not only closer to the stars, but bypassing the atmosphere that occludes our terrestrial instruments.

不仅离星星更近，而且绕过了遮挡我们地面仪器的气层。

The most common pre-hepatic cause is portal vein obstruction, like when there's a thrombus occluding the portal vein and blocking blood flow.

最常见的肝前型病因是门静脉阻塞，例如当有栓子阻塞门静脉血流时。

If left untreated, however, the full thickness of the region of myocardium supplied by the occluded vessel may die.

然而，如若不治疗，堵塞血管供血的心肌区域全厚层将死亡。

They occlude long jump triple jump, high jump people, pole vault, short-put, discus and javelin, to name just a few.

他们排除了跳远三级跳远，跳高人，撑杆跳，短推，铁饼和标枪，仅举几例。

Since we have a dense piece of geometry, for instance, hundreds of thousands of hair strands, we have to know how each one occludes the other ones.

我们有了一片密集的几图形，例如这成百上千缕发丝，我们必须知道每一缕发丝是怎么挡住其他发丝的。

It's very common for things to be occluded.

东西被遮挡是很常见的。

The tube is occluded for 24 hours and if the patient is able to tolerate it and breathe normally then the tube is removed and the wound closed.

拔管前堵塞 24 小时，如果患者能够耐受并正常呼吸，即可拔管，伤口会自行愈合。

At all stages of this process, characteristic changes are produced in the ECG leads directly overlying the regions of myocardium that occluded vessel supplies.

在此过程的所有阶段，ECG导联的特征变化都会直接发生在阻塞血管供应的心肌区域上。

The teeth are interlocking, in fact, this tooth which I have of a related sperm whale shows where the opposite tooth came right down here and occluded against this crown.

这些牙齿上下交错，事实上，我这颗是它抹香鲸亲戚的牙齿，能看出来对面牙齿直接下来到这里堵住这个牙冠。

So the first thing that we do is we take a look in your ears just to make sure there's no wax that's occluding the ear canal.

因此，我们要做的第一件事就是检查您的耳朵，确保没有耳垢堵塞耳道。

In case the tracheostomy tube is damaged, infected, occluded or non-functioning in any way, then a new tube should be inserted in place of the old one, under expert supervision.

如果气管切开术插管损坏、感染、阻塞或以方式不起作用，则应在专家的监督下插入新管代替旧管。

The nurse can elicit Trousseau's sign by occluding the brachial or radial artery. Hand and finger spasms that occur during occlusion indicate Trousseau's sign and suggest hypocalcemia.

护士可以通过阻断肱动脉或桡动脉来引出特鲁索(氏)征。阻断期间手和手痉挛则为特鲁索(氏)征并提示低钙血症。

So if you talk about say, a pedestrian walking past a truck where you saw the pedestrian start on one side of the truck, then they're occluded by the truck.

所以如果你说，一个行人走过一辆卡车，你看到行人从卡车的一侧开始，然后他们被卡车挡住了。

It was easy to get to the root of the challenge, filling the need of a home, occluding the case for a canine with such a bicuspidcuous treat.

很容易找到挑战的根源，满足家庭的需要， 用这种双尖牙治疗犬的情况。