German Army retreats to the Hindenburg Line.

德国陆军务虚的兴登堡线。

youdao

With the proper concepts the Hindenburg line may be breached.

战略思想对了头，兴登堡防线就准攻破啦。

youdao

With the proper concepts the Hindenburg line may be breached.

战略思想对了头，兴登堡防线就准攻破啦。

youdao