Surfactants form these micelles around the dirt, which is what grabs onto dirt and oil.

表面活性剂在围形成胶束，从而吸附和油。

When in solution the soap molecules form tiny balls called micelles.

当在溶液时，肥皂分子形成称为胶束小球。

The size of the micelles is precisely controlled by the researchers.

胶束大小由研究人员确控制。

Gradually the negatively charged silica precursors are attracted to the positively charged micelle template.

带负电荷二氧化硅前体逐渐被带正电荷胶束模板吸引。

One enzyme is pancreatic lipase which grabs the triglycerides hanging out in those " micelles" and breaks them down into fatty acids and glycerol.

其有胰脂肪酶，它可捕获脂肪微滴油三酯，并将其分解为脂肪酸和油。

That bile emulsifies the fat, essentially making fat organize into small " micelles" , which are tiny bubbles of mixed lipids and bile acids, rather than clumping together, and making them easier to absorb.

胆汁可将脂肪乳化，即把脂肪分解为脂肪微滴；这些微滴是脂类和胆汁酸混合而成小液滴；这样脂肪就不会聚集成团，吸收也就变得更容易了。

These surfactants have their hydrophilic head and their hydrophobic tails, and so they form these micelles around the dirt, which is what grabs onto dirt and oil, and helps it to remove it from the hair and the scalp.

这些表面活性剂有亲水头部和疏水尾部，所以它们在围形成胶束，这些胶束可以吸附和油脂，并帮助它们从头发和头皮上清除。