事实上，大多数动物在体重达到出生时的3倍前，都全靠母乳喂养。

The fact is, most animals are breast-fed exclusively until they have tripled their birth weight.

youdao

但是，由于某种原因，看着那些女性母乳喂养各种动物的照片使我非常的恶心(到底是什么原因呢)，虽然它仅仅只是不自然，无论你来自哪块大陆。

But for some reason, looking at these photos of women breastfeeding various animals makes me very nauseous, it's just not natural, no matter what continent your from.

youdao

已经发表了许多科学论文，让人们知道这些毒素对许多动物甚至人类有多么大危害。甚至母乳中现在都有了其残留。

There is science papers out there already about how bad these toxins are for many animals and even humans. And now it is in mothers milk.

youdao