The pericardium is a pouch or cavity that the heart sits inside of.

心脏位于心包腔中。

The young are born premature and nurtured in the mother's pouch.

在未成熟之前，年幼的负鼠都会生活在妈妈的口袋里。

And then also there is a pouch in one on the other side.

口罩中间一分为二，一边有一个小袋子。

Koala joeys will stay in their mothers' pouches for about six months.

考拉幼兽大约会在妈妈的口袋里呆上六个月。

Now, remnants of Rathke's pouch that do not mature can form craniopharyngiomas.

没有发育成熟的Rathke囊残余部分可形成颅咽管瘤。

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

因为它们是有袋动物，它们有一个方便的育儿袋来携带它们的孩子。

I don't think you'd want a whole pouch of that.

我觉得你不会想要吃那一整袋。

Right, you might, you might have like a pouch for your coins, for example.

例如，你可能会把硬币放在小包里。

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

九个月后，第一个幼崽离开育儿袋，触发第二个胚胎开始发育。

" But the pouch, Mr. Bartigan, " he cried.

“但是邮袋，巴提干先生，”他带着哭腔说。