perestroika
[ˌpɛrɪˈstrɔɪkə, pjɛrjɪˈstrɔɪkɑ]
n.
（苏联经济与政治体制的）改革;
调整;
政治经济重建的;
例句:
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The only Russian words we knew were glasnost and perestroika.
来自THETIMES
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In doing so, he is stirring ghosts of perestroika in the late 1980 s.
他这么做是为了驱散上世纪80年代末的重建政策的阴影.
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He said that many of Sakharov's democracy slogans from the Soviet perestroika period are relevant to Russia today.
来自VOA
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On the domestic front, Mr. Gorbachev embarked on the policies known as glasnost and perestroika.
来自VOA