In time, these fanciful dreams became reality in the form of the first practical submarine designs.

不久，随着第一个实用的潜艇设计的诞生，这一梦想就成为了事实。

youdao

In time, these fanciful dreams became reality in the form of the first practical submarine designs.

不久，随着第一个实用的潜艇设计的诞生，这一梦想就成为了事实。

youdao