In the 19th century, Balkan people used guerrilla fighting against the Ottoman empire.

在十九世纪，巴尔干半岛人用游击战反抗奥斯曼帝国。

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In the 19th century, Balkan people used guerrilla fighting against the Ottoman empire.

在十九世纪，巴尔干半岛人用游击战反抗奥斯曼帝国。

youdao