In a graafian follicle, a central cavity called the antrum forms within the follicle, and the granulosa cells secrete a nourishing fluid for the primary oocyte directly into that antrum.

格拉夫泡中间会形成个空腔泡腔，而颗粒细胞会为初级母细胞分泌营养液，直接排入泡腔。

Well, it's obvious, really, with a huge eruption such as this where enormous amounts of material have exploded into the air, the summit falls into what is now an empty chamber and thus forms a large crater.

很明显，在这样次大规模喷发中大量物质爆炸到空气中，山顶会落入现在空腔中形成个巨大火山口。

It's honestly, it's a loft cavity in our building.

老实说，这是我们大楼阁楼空腔。

The central cavity between the body and the arch is called the vertebral foramen.

椎体与椎弓之间中央空腔称为椎孔。

However, there is some evidence in terms of CAT scans on the inside of the skull and some of the hollow chambers in that brain case that are a little peculiar in Nanotyrannus.

然而对其颅结构CT扫描发现了些证据，矮暴龙颅骨里些空腔显示它有些不同之处。

So, in this case, we'd take a bottle of cavity fluid, we would actually twist it in and attach it to the top of the trocar.

所以，在这种情况下，我们拿瓶空腔液，我们实际上会把它拧进去，然后把它连接到套管针顶部。

Because that's because each sac contains a cluster of alveoli, these tiny cavities lined with super thin, wet membranes made of simple squamous epithelium tissue.

因为这是因为每个囊包含簇肺泡，这些微小空腔衬着由简单鳞状上皮组织制成超薄湿膜。

The cool thing about these cavities is that they contain a bit of viscous, egg-white-like synovial fluid that acts like grease on a hinge.

这些空腔最点是它们含有点粘性、蛋清状滑液，就像铰链上油脂样。

And then the holes that we make will actually provide access points for introducing what we call cavity fluid.

然后我们制造孔实际上将用 来引入我们所说空腔流体。

The uterus is a hollow organ that sits behind the urinary bladder and in front of the rectum.

子宫是位于膀胱和直肠中间空腔器官。

To get that rod into your femur, they basically have to align it where the cavity is where your bone marrow is, okay, and it's called an intramedullary rod.

为了把那根棒插入你股骨，他们基本上必须把它对准你骨髓所在空腔，好，这髓棒。

This waxy substance fills a cavity in the sperm whale's head.

这种蜡状物质填充了抹香鲸头部空腔。

A lot of people ram a load of stuffing in this cavity here.

很多人在这里这个空腔里塞满了馅料。

The brain naturally has open spaces known as ventricles.

大脑自然有些空腔，称为脑室。

Percolating into empty cracks and cavities, such as those found in breccias, it creates flowstones.

渗透到空裂缝和空腔中，例如在角砾岩中发现裂缝和空腔，它会产生流石。

Nice pith, walnuts, with numerous short cavities.

核桃木髓很好，有许多短空腔。

So the lumen, folks, is the cavity, the empty cavity of the gut.

所以，腔体，朋友们，就是肠道空腔。

And they realized there was a cavity there.

他们意识到那里有个空腔。

A cavity is going to show up differently than something that's really solid.

空腔和实心物体显示方式是不同。

24 huge square steel cages  were pushed into the riverbed, brave divers dug out the clay and gravel in  dangerous conditions to create a chamber in which concrete could be laid to build  the foundations for the two towers.

24个巨大方形钢制笼子被推入河床，勇敢潜水员在危险条件下挖出了黏土和砾石，从而创建了个可以铺设混凝土以建造两座塔楼基础空腔。