When it's bright, they shrink into slits.

天亮时，它们会缩成狭缝。

And because of how the slit pupil takes in light, it creates sharp, vertical contours.

由于瞳孔的狭缝吸收光线的方式，它形成了尖锐的垂直轮廓。

And if you put the detectors on each slit, well, that affects the waves and destroys the interference pattern.

如果你把探测器放每个狭缝上，就会影响波，破坏干涉模式。

They also have two sets of eyelashes and large slits-like nostrils to keep the sand away from their faces.

们也有两套睫毛和大的狭缝状鼻孔，以保持沙子们的脸。

Meanwhile, nocturnal geckos have pupils that shrink into slits studded with pinholes in higher light conditions.

与此同时，夜间活动的壁虎较高的光照条件下瞳孔会收缩成布满针孔的狭缝。

In the head there is a slit or mouth, by which the worm is able to feed on decayed plants.

它的头上有一个狭缝（嘴巴）, 蚯蚓就是通过这个器官进食一些腐烂的植物。

Instead they narrowed to two slits of cunning.

相反，们缩小到两条狡猾的狭缝。

Then they narrowed to critical slits.

然后们缩小到临界狭缝。

When it’s bright, they shrink into slits.

当它很亮时， 它们会收缩成狭缝。

Their slit-shaped pupils also have a greater range of size.

们的狭缝状瞳孔也有更大的尺寸范围。

Any point on the screen will receive waves from the two slits.

屏幕上的任何一点都会接收到来自两个狭缝的波。

Through a narrow space between two walls, beyond the deep court, there opened a superb vista.

两壁之间的狭缝，深庭之外，一览无遗。

Two slit-like windows lighted the room.

两扇狭缝状的窗户照亮了房间。

They were as red-brown as Indians, but their eyes were narrow slits between squinting eyelids.

们和印第安人一样红棕色，但们的眼睛是眯着的眼皮之间的狭缝。

And the eyes: those shaded slits of bluest blue-in-blue.

还有眼睛：那些最蓝的蓝中带阴影的狭缝。

This is where we'll put the slits, to look through and see the animation!

这就是我们放置狭缝的地方，可以透过它来观看动画！

We'll see each drawing through the slit, and then see a black space after each one.

我们将通过狭缝看到每张图，然后每张图后面看到一个黑色空间。

Finally, he placed a screen behind the slits.

最后，狭缝后面放置了一个屏幕。

So I built a thick wooden roof over my slit trench, to protect myself from flak.

所以我我的狭缝沟槽上盖了一个厚木屋顶， 以保护自己免受高射炮弹的伤害。

This means it must be travelling along a path that takes  it through the other slit as well as its own.

这意味着它必须沿着一条既穿过另一个狭缝又穿过自己狭缝的路径行进。