The manuscripts were submitted anonymously.是什么意思？

The manuscripts were submitted anonymously.

原稿是匿名送交的.

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。

manuscripts

n. 手稿( manuscript的名词复数 )，原稿，底稿，手写本；

例句
A deluge of manuscripts began to arrive in the post...
大量的手稿开始通过邮递涌来。

were

be的过去时复数和第二人称单数形式，有时代替 was,用于条件从句、动词 wish 之后等；

例句
Shops, houses, and vehicles were set ablaze.
店铺、房子和车辆全都陷于火海。

submitted

v. 顺从( submit的过去式和过去分词 )，听从，屈服，甘受；

例句
The bill would be submitted for public discussion before being enacted as law.
该法案在获得通过成为法律前，将提请公众讨论。

anonymously

adv. 不具名地，化名地；

例句
The latest photographs were sent anonymously to the magazine's Paris headquarters.
最新的照片以匿名方式寄到了该杂志的巴黎总部。