二十年前，1991年的夏天，苏联解体。
Two decades ago, in the summer of 1991, the Soviet Union fell apart.
然而，苏联解体让一批被收藏起来的新材料面世。
Yet the collapse of the Soviet Union has made available a trove of new material.
我们正在研读苏联解体对俄国的影响。
We're now studying the influence of the breakup of the Soviet Union on Russia.
在前苏联解体之前，它就已经开工建造。
Its construction was begun under the Soviet military before the breakup of the Soviet Union.
在1991年前苏联解体之后，建造工作停止。
The construction work was stopped after the Soviet Union broke up in 1991.
他领到了前苏联的解体过程。
他领到了前苏联的解体过程。
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