1.It's very kind of crumbly and porous.

它非常易碎且多孔。

2.You know, the mud houses are so porous.

你知道吗，泥屋太透气了。

3.But those walls are increasingly porous.

然而，这些态度已经越来越薄弱了。

4.Now, the divisions between these five categories are porous.

现在，这五个类别之间的界是模糊的。

5.And the endothelium of these capillaries is very porous.

这些毛细血管的内皮细胞多孔性很强。

6.Part of the problem, the country's porous borders.

问题的在于这个国家的边界。

7.Dentin is pretty hard, but unlike enamel, it's porous.

牙本质非常硬，但与牙釉质不同，它是多孔的。

8.Have you noticed how porous or spongy good bread is?

你有没有注意过, 面包烤得好, 就能呈现非常明显的海绵状结构?

9.Bones might seem rock-solid, but they're actually quite porous inside.

骨头看石块样坚固，但它们中心其实相当多孔。

10.To absorb sunlight, M.I.T. researchers created a porous disc of graphite flakes.

为了吸收阳光，麻省理工学院的研究人员制造了个多孔渗水的石墨薄片圆盘。

11.They say a porous border is another reason people are coming in.

他们表示，边境漏洞百出是移民抵达的另个原因。

12.Waves of stone, floating on sea foam all because the glass is porous.

漂浮在海面的石头波浪，因为玻璃是多孔可渗透的。

13.Here's a look at how porous the border is between Kenya and Somalia.

接下来我们为你带来肯尼亚索马里两国的边界是多么驻守不严。

14.Thawed tofu has a porous resilience that soaks up sauce, making it perfect for stews.

解冻后的豆腐多孔、有弹性，能吸收酱汁，非常适合炖煮。

15.There, they mess with the fatty molecules a bit, ultimately making the barrier more porous.

在那里，它们稍微搅乱了脂肪子，最终使屏障更容易渗透。

16.That porous material that was the bone got filled in with little spheres, opal, basically.

骨头的多孔材料被填充了小球体，基本是蛋白石。

17.Then, at the end of 2017, the river had begun eating into the porous earthen wall itself.

在2017年底，河水又开始渗透混凝土。

18.They're saying that not rotating crops is not a good thing because the soil is less porous.

他们认为，没有轮作农作物并不是件好事，因为土壤的透水性会减弱。

19.These are porous molecular networks through which air can circulate. Their porosity gives them a huge surface area.

这些是多孔的子网络，空气可以通过它们循环。它们的多孔性使它们具有很大的表面积。

20.These vessels must not be porous, or they will let the liquids escape which we put into them.

但是这些器皿可不能“渗透”，不然盛液体就会漏出。