It's not only transparent to light but it's permeable to oxygen.

不仅透光，而且透氧。

And the dentin acts as the selectively permeable barrier.

而牙本质则作为选择性渗透的屏障。

Toads have permeable skins and would quickly die from desiccation out in the daytime heat.

蟾蜍长着透水的皮肤，若是在白天的高温下，它们很快就会因为脱水而死。

Osmosis is the movement of something like water across a selectively permeable barrier.

渗透是指像水这样的东西跨越选择性渗透的屏障的运动。

I had only a few bags. Most of my Arizona clothes were too permeable for Washington.

我只有几个袋子。我在亚利桑那州穿的衣服，对于华盛顿州来说大都太不挡雨了。

Lymphatic capillaries are extremely permeable because their walls are made of endothelial cells that only loosely overlap, forming one-way minivalves.

毛细淋巴管是极度通透的，因为它们的管壁仅由松散重叠的内皮细胞构成，形成单向的微小瓣膜。

Common non-cardiogenic causes include inflammation in the lungs or system-wide inflammation which causes the pulmonary capillaries to be more permeable.

常见的非心源性因素包括肺部或全身性炎症反应，会导致肺毛细血管通透性增高。

Through this permeable layer, they absorb water and oxygen.

通过这个渗透层，它们吸收水和氧气。

One unknown is how permeable to water the new material will prove.

一个未知数是新材料的透水性。

Our bodies are permeable to the waves, the vibrations.

我们的身体可以渗透波浪和振动。