求翻译：抗日战争胜利后，为了反对国民党反对派的独裁统治和内战政策，西南联大的师生于1945年12月发动了声势浩大的一二一运动，在全国掀起了争民主反内战的热潮。是什么意思？

After the victory, in order to oppose the dictatorship of the Kuomintang opposition and civil war policies, the teachers and students of the Southwest Associated University in December 1945 launched a massive 12 sports in the country set off a craze of the fight for democracy against civil war.

After the victory, in order to oppose the opposition Kuomintang dictatorship and civil war policy, students and teachers in south-west of the United Nations General Assembly December 1945 launched a massive campaign, the 121 was launched across a civil war against democracy.

After Sino-Japanese War victory, in order to oppose the Kuomintang Opposition faction's dictatorship rule and the civil war policy, the southwest United Nations General Assembly's teacher and student have December started the mammoth 121 movements in, 1945, has raised the struggle democracy counter-

After the victory, in order to oppose the KMT dictatorship and civil war policies of the opposition, southwest of the UN General Assembly in December 1945 and launched a massive 121 teachers and students movement, set off upsurge of democracy against the civil war in the country.

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