Red blood cells are tiny by concave disc-shaped cells known as erythrocytes.

红细胞很小，被称为红细胞的凹盘状细胞。

We had that notch, I know some people don't like it.

确实有些人并不喜欢顶部的下凹的刘海边框。

It isn't going to make a dent in the feathers.

在羽毛上是凹不进去的。

It's a corner spot, cutting the risk of doordings in half.

那车位是在角落，车门被旁车门撞凹的机率少了一半。

I feel like I love the shape that it gives me.

我觉得我喜欢它给我凹的造型。

He posed taking a selfie with Michelle Obama.

他米歇尔用自拍的姿势凹造型。

In the center, your fovea clearly identifies 3 to 4 letters around where your eyes stop.

在中央，的中央凹清楚地识别出眼睛停下来的地方周围的 3 到 4 个字母。

A central area called the " Fovea" is where people see colours, read fine-print, and pick out details.

一个被称为“中央凹”的中心区域是人们看到颜色、阅读小字并识别细节的地方。

Also, the inner lining of the stomach has millions of tiny gastric pits that dive down to gastric glands.

另外，胃的内表面有无数密集分布的胃小凹，胃腺即开口于胃小凹的底部。

You can't read or recognize faces. That's where you need this fine-grained foveal information.

无法读懂或识别面孔。这时就需要这种精细的中央凹信息。

And we need to stop with inverted wheel wells.

我们得停止使用内凹的轮拱设计了。

Always check those when they're born. Make sure that spot goes in.

在他们出生的时候都的小心查看。 确定他头骨那里是凹的。

And you have only one fovea.

而的中央凹只有一个。

Very interesting approach, there the fireplace area is recessed just like the sofas are recessed here.

非常有趣的布局，那里壁炉区域是凹进去的，就像这里的沙发也是凹进去的一样。

In the center, your fovea clearly  identifies 3 to 4 letters around where your eyes stop.

在中心, 的中央凹清楚地识别出3到4个字母, 的眼睛停在那里。

And its little bays and headlands were beginning to look flatter, and the boat was rising and falling in the gentle swell.

岛上小小的凹进去的海湾和凸出的岬角看起来变平了，小船随着海浪上下颠簸着。

Raptors have an especially deep fovea— a depression in the back of their eye that fits more photoreceptors.

猛禽有一个特别深的中央凹— —它们眼睛后部的凹陷处适合更多的光感受器。

And innies are ripe for colonization, not only by lint, hair, and dead skin cells, but also by bacteria.

而内凹的肚脐非常适合各种物质的聚集，不仅有棉绒、毛发和死皮细胞，还有细菌。

And this grey parapet is the ceiling, meaning it's recessed relative to the facade and in a different color.

而这灰色的压顶就是天花板，意味着它相对于外立面是内凹的， 并且颜色不同。

The dented green head rolled to a stop at John's feet, the face staring up at him in mute agony.

那颗被撞凹的绿色头颅滚到约翰脚边，面部朝上，无声地诉说着痛苦。