And finally, silk enables the spiders to make their egg sacks.

最后，蛛丝能被用作它们的袋。

I would have a kangaroo pouch sewn into my midriff.

让我在腹部缝一个袋袋我都愿意。

Even after the baby kangaroo leaves this warm haven, she'll return to suckle milk.

即便在袋幼崽 离开袋后，它还会回来吃奶。

The little koala then takes shelter for months in a pouch on its mother's body.

然后，小考拉在自己妈妈身上的袋里躲几个月。

While those are both animals with pouches, they're actually two different animals.

虽然这两种动物都有袋，但它们其实是两种不同的动物。

And because they are marsupials, they have a convenient pouch to carry their young.

因为它们是有袋动物，它们有一个方便的袋来携带它们的孩子。

The unusual frog has horn-like skin above its eyes and a pouch for carrying its young.

这种不同寻常的青蛙眼睛上方长有角状皮瓣和一个袋。

Marsupials have pouches to carry their babies in for a few months after they are born.

袋目动物在它们的宝宝出生后的几个月内会用袋携带它们。

After nine months, the first baby leaves the pouch, triggering the second embryo to start developing.

九个月后，第一个幼崽离开袋，触发第二个胚胎开始发。

And once this second baby leaves the pouch, the third embryo starts to develop, and the cycle continues.

第二个幼崽一离开袋，第三个胚胎就开始发，就这样一直循环下去。

Newborns, called joeys, stay in the safe, warm place for months, while they continue to develop.

被称为" 幼兽" 的新生考拉会在安全温暖的袋里待上几个月，继续发。

While the older chicks are boisterous and confident, he still feels most comfortable in his mother's pouch.

虽然大一点的小企鹅们叽叽喳喳又充满自信，它仍然觉得在妈妈的袋里最舒服。

Especially if they're carrying " pouches" full of babies that may not play well with the " kits" .

尤其是如果袋獾带着装满幼崽的袋，这些幼崽可能不会很好地和它们的幼崽玩耍。

Male seahorses have a special pouch, or what we can call a “womb”, on the front side of their tails.

雄海马有个特别的袋，或者是我们称为的子宫，在他们尾巴的前面。

Marsupial babies are so tiny and delicate when they're born that they must continue developing in the mother's pouch.

有袋目哺乳动物宝宝刚出生时候 个头娇小且体弱多病，以致于它们必须继续 待在妈妈的袋里面。

Kangaroo mothers keep their babies in a pouch.

袋妈妈把她们的孩子放在袋里。

Before long that joey will be out of the pouch for good.

用不了多久，乔伊就会永远从袋里出来了。

They saw baby seahorses pop out of their father's brood pouch.

他们看到小海马从他们父亲的袋中蹦出来。

Without the extra weight in her pouch, she can leap faster and farther.

如果她的袋没有额外的重量，她可以跳得更快更远。

When a mother kangaroo is chased by dingoes, she may throw her joey out of her pouch.

当袋妈妈被野狗追赶时，她可能会把幼崽从袋里扔出来。