translation.en: So, we decided that what we like to do is take just a bit of that mammary gland, which is called an "acinus," where there are all these little things inside the breast where the milk goes, and the end of the nipple comes through that little tube when the baby sucks.
translation.zh: 那么，我们决定将要做的 就是取一些乳腺， 这叫做“腺泡” 乳房里都是这些东西 母乳便是在此生成的，在乳头末端 是一根根细小的微管，婴儿可以从此吸到母乳。