实际上，长城最初只是一些断断续续的城墙，直到秦朝统一中国之后才将其连成长城。

In fact, it began as independent walls for different states when it was first built, and did not become the Great Wall until the Qin Dynasty.

youdao

实际上，长城最初只是一些断断续续的城墙，直到秦朝统一中国之后才将其连成长城。

In fact, it began as independent walls for different states when it was first built, and did not become the Great Wall until the Qin Dynasty.

youdao