That means that water soluble ones can't get across them.

这意味着水溶性不能穿过它们。

Wear sun-tan lotion with a high protection factor, and a hat.

使用防晒系数高水溶性防晒霜，子。

Then there are vitamins, compounds that come in either fat-soluble or water soluble forms.

然后是维生素，以脂溶性或水溶性形式出现化合物。

Soap can remove non-water soluble substances, but it doesn't remove all the fats from your skin.

肥皂可以去除非水溶性物质，但不能去除皮肤所有脂肪。

By mixing the cocoa-powder with a little starch, we get what is called " soluble cocoa. "

将可可粉与淀粉混合之后就获得了“水溶性可可”。

Because of that, most water-soluble vitamins need to be replenished on a daily basis through the food we eat.

正因如此，大多水溶性维命需要通过我们每天吃食物被重新补充。

The water soluble fertilizer will then be absorbed into the soil the next time it rains.

下次下雨时，水溶性肥料就会被土壤吸收。

He conceived of doing this by gluing the layers of the stack together with a watersoluble material.

设想用一种水溶性材料把各个膜层粘合起来。

Because hydrogels are permeable, you could deliver water-soluble drugs through the gel to the surface of the skin.

由于水凝胶具有渗透性，可以通过凝胶将水溶性药物输送到皮肤表面。

Your kidneys make urine, which is a mix of water-soluble wastes that you excrete through your bladder and urethra.

肾脏会产生尿液，这是通过膀胱和尿道排出水溶性废物混合物。

The compound had, and still has, lots of applications, because it’s both highly corrosive and highly soluble in water.

这种化合物过去和现在都有很多应用，因为它具有很强腐蚀性和高度水溶性。

Testing this idea out using an appropriate glue (a special water-soluble polymer), he found that it worked.

使用合适粘胶（一种特殊水溶性聚合物）测验之后，发现这个想法可行。

Acetone, with that big hunk and double bond is nice and polar, so it's water soluble; great for cleaning stuff.

丙酮，带有大块和双键， 是很好极性，所以它是水溶性； 非常适合清洁东西。

The water-solubles are vitamin C and B Complex vitamins that are made up of eight different types that each do something unique.

水溶性便是维命C和八种不同类型B族维命，每种类型都有其独特之处。

Water-soluble hormones (polypeptide, protein, and most amino acid hormones) bind to a receptor protein on the plasma membrane of the cell.

水溶性激素(多肽、蛋白质和大多数氨基酸激素)与细胞膜受体蛋白结合。

He reasoned that, as the top layer got worn, and water began leaking through it, this glue would start to dissolve.

解释说，当顶层磨损后，水就会开始渗透下去，这种水溶性粘胶就会逐渐溶解。轻微损坏不会有太大问题。

Remember, your body continually loses water through sweating or panting, peeing and pooping out water-soluble waste, and even just breathing lets out a little water.

你身体会通过出汗或喘气、小便和排便排出水溶性废物而不断流失水分，即使只是呼吸也会排出少量水分。

But enough would weaken the glue to the point where the uppermost nanograss lawn flaked off, and the next one down took over.

但严重损坏会削弱水溶性粘胶粘合作用，直到最层纳米草剥落，露出下一层。

The system's ability to circulate water-soluble vitamins in the bloodstream so easily means that most of them can be passed out equally easily via the kidneys.

人体系统能够如此简单地传输水溶性维命意味着它们大多数能够几乎同样简单地被排出肾脏。

And this is key, because a hormone's chemical structure determines if it's water soluble, like most amino acid-based ones are, or lipid soluble, like steroids are.

这是关键，因为激素化学结构决定了它是像大多数氨基酸一样是水溶性，还是像类固醇一样是脂溶性。