并且在一排中靠近你正在站立的朋友们，那一排朋友们和在你的身体和他们的身体的手臂通道之间的间隙，就是你的一个纳米层。

And friends who are standing next to you in line, that line of friends and the gap between your body and their bodies arm lanes, your one nano layer.

youdao

我把铝箔放到，底座和桌面间，说明中间，有间隙，底座压在一层很薄的气体上。

Now, we'll slip the tinfoil between the disc and the plate glass top of the table showing that there is indeed a space, a thin film of gas between the disc and the glass upon which it's resting.

youdao

核膜实际上由两层平行的单位膜构成，膜中间为核间隙。

The nuclear envelope is actually two parallel unit membranes with an intervening perinuclear space.

youdao