求翻译：　　1925年10月，蒋经国赴苏联留学，就读于莫斯科中山大学。1928年秋天，他又回到莫斯科，在列宁格勒托玛卡红军军校学习。1935年，蒋经国在苏联与矿场女工芬娜结合，芬娜后来改名叫蒋方良。从1925年10月留学，到1937年回国，蒋经国在苏联一共生活了12个年头。是什么意思？

October 1925, Chiang Ching-kuo went to the Soviet Union to study, studied at the Moscow Sun Yat-sen. The fall of 1928, he returned to Moscow, the Red Army Military Academy at 列宁格勒托玛 card learning. In 1935, Chiang Ching-kuo in the Soviet Union combined with the mine workers Fenner, Fenner later chang

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In October, 1925, Jiang Jingguo went to Soviet Union to study abroad, goes study in Moscow Zhongshan University.In 1928 the autumn, he returned to Moscow, held Masurium card Red Army Military academy in Leningrad to study.In 1935, Jiang Jingguo in Soviet and the mine female worker fragrance elegant

In October 1925, Chiang Ching-kuo to study in the Soviet Union, studied at the Moscow Sun Yat-sen University. The fall of 1928, he returned to Moscow, Leningrad tuomaka Red Army Military Academy. In 1935, Chiang Ching-kuo and field workers in the Soviet Union with Dinara Safina, Dinara Safina and la