Like the American Interstate system, Roman roads made it possible to defend a huge territory.

就如美国洲际道路系统一般，罗马可借道路防卫广阔的疆域。

youdao

Like the American Interstate system, Roman roads made it possible to defend a huge territory.

就如美国洲际道路系统一般，罗马可借道路防卫广阔的疆域。

youdao