红星是前苏联的国徽。

The red star was the national insignia of the USSR.

《柯林斯英汉双解大词典》

有些文化太善于排队了：前苏联的一个公民会加入队列，只是为了他能排在队伍的前头，看看每个人是为了什么而排队。

Some cultures are too adept at lining up: a citizen of the former Soviet Union would join a queue just so he could get to the head of that queue and see what everyone was queuing for.

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这是前苏联的绝密地下基地之一。

This is one of the top-secret underground bases in the Soviet Union.

youdao

There's another sample which is in Russia, part of the former Soviet Union, where there are samples that were stored.

另一个样本在俄罗斯,前苏联的一部分,那也有储存的样本

耶鲁公开课 - 生物医学工程探索课程节选

One is Dubna in the former Soviet Union in Russia, one is in Darmstadt in Germany and the third one is in the United States in Berkeley.

一个是在杜布纳，位于前苏联的俄国，一个在德国的达姆施塔特,第三个是在美国的伯克利。

麻省理工公开课 - 固态化学导论课程节选

Non-Romans and poor people may have seen the Pax Romana as more oppressive than a liberation, just like people saw the Pax Americana that way, after the collapse of the Soviet Union and before the beginning of the Iraq War.

非罗马人和穷人可能认为罗马和平,是压制，而不是自由，跟苏联解体后，伊拉克战争前,人们所谓的美式和平是一个道理。

耶鲁公开课 - 新约课程节选