It's thought that they don't have sufficient milk or energy to care for two.

人们推测是们没有足够的乳汁或精力来照顾两只熊猫幼崽。

The cream is considered to be the best tasting part of milk.

乳脂被认是乳汁中最美味的部分。

It's six months since she last fed and her milk is starting to run dry.

已经6个月没有吃东西了，的乳汁也即将耗尽。

Puck's milk is five times richer than human milk.

帕克的乳汁比人类的奶水浓五倍。

It's known as milk sugar because it's only found in nature when it links with glucose to form lactose, a disaccharide found in the milk of mammals, which includes cow and human breast milk.

这是半乳糖在自然中以与葡萄糖结合的形式存在，们结合形成一种双糖，即乳糖；牛乳、母乳等乳动物的乳汁都含有乳糖。

So if a mother breastfeeds that mean that by eating vegetables, her baby will be exposed tothe flavors of vegetables through her breast milk.

此，如果一个母亲在吃蔬菜的同用母乳喂养孩子，她的孩子会通过乳汁接触到蔬菜的味道。

They can not only taste the difference between their mother's milk and another mom's, but they can even smell her breasts from clear across the room!

他们不仅能尝出母亲的乳汁和另一个母亲的乳汁之间的区别，甚至能从房间的另一头闻到妈妈的奶味！

The milk of the sheep is its food. Some day the lamb will grow to be a sheep, and it will eat grass.

母羊的乳汁是的养料。有一天，小羊羔会长大，那可以吃草了。

The tiny spiderlings are completely dependent on their mother's milk for the first 20 days of their life.

幼蛛在出生后的前 20 天完全依赖于母亲的乳汁。

Cream is the fat in milk. And we use cream from farm animals to make many tasty foods.

乳脂是乳汁中的脂肪。我们用产自农场动物们的乳脂来制作美味的食品。

And the hormone prolactin is connected with lactation, which is the production of milk by mammals.

催乳激素与泌乳有关，是乳动物分泌乳汁的过程。

Every day, it will drink around 500 liters of fat-rich milk.

每天，要饮用约500升富含脂肪的乳汁。

The koala genome has also revealed genes involved in reproduction and in milk production.

考拉基组还揭示了与繁殖和乳汁生产相关的基。

But seals aren't the only animals with extreme milk.

但海豹并不是唯一一种拥有极端乳汁的动物。

When babies breastfeed, some of the milk ends up in their nasal cavity.

当婴儿母乳喂养，部分乳汁会进入他们的鼻腔。

For mammals, the hyoid is part of what gives babies the ability to suckle milk.

对于乳动物而言，舌骨是赋予婴儿吸吮乳汁能力的一部分。

--- But not all scientists make discoveries by milking ferocious mammals.

----- 但并非所有科学家都通过挤取凶猛乳动物的乳汁来取得发现。

Remember, oxytocin is in part responsible for breast milk production.

记住，催产素在一定程度上负责乳汁的产生。

The lobules are the infrastructure where milk is made.

小叶是产生乳汁的结构基础。

So let's get into the hows and the whys and what of insects that nurse their young, including tsetse flies, and of course, our beloved milky mama roach, Diploptera punctata.

那么，我们来探讨一下昆虫育幼崽的原理和原，包括采采蝇，当然还有我们心爱的乳汁妈妈蟑螂——点状双翅蟑螂。