The attachment of the blastocyst to the lining of the uterus.是什么意思？

The attachment of the blastocyst to the lining of the uterus.

胚泡附着到子宫内膜.这一过程称为植入.

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

attachment

n. （用电子邮件发送的）附件，附属物，依恋，依附，扣押财产<法>逮捕，扣押（人，财产）；

例句
As a teenager she formed a strong attachment to one of her teachers...
少女时代的她曾迷上了自己的一个老师。

of

prep. 关于，属于…的，由…制成；aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气]；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

blastocyst

n. 胚泡，胚囊；

例句
Shortly after implantation the blastocyst wall, the trophoblast, consists of two layers of cells.
植入之后不久,胚囊的壁, 即滋养细胞含有两层细胞.

to

prep. 向，朝着，到，关于，属于；adv. 朝一个方向的，到某种状态，关闭；

例句
I suggest you leave it to an expert...
我建议你把它留给专家来解决。

lining

n. 衬里，里子，衬料，衬套；v. 排队(line的现在分词)；

例句
Moss makes an attractive lining to wire baskets.
用苔藓垫在铁丝篮里很漂亮。

uterus

n. <解>子宫；

例句
Non-identical twins are the result of two fertilised eggs implanting in the uterus at the same time.
非同卵双生子是两个受精卵同时在子宫内着床的结果。