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来源：雅诚德英语网
In the 19th century, the Russian Empire began to expand, and spread into Central Asia.
在19世纪，俄罗斯帝国开始扩张，进入中亚。
In the 19th century, the Russian Empire began to expand, and spread into Central Asia.
在19世纪，俄罗斯帝国开始扩张，进入中亚。