How was one [living in France] supposed to know whether or not to worry about a radioactive cloud?

怎能知道，[在法国生活]的人们应不应该为放射性尘埃担心呢？

youdao

How was one [living in France] supposed to know whether or not to worry about a radioactive cloud?

怎能知道，[在法国生活]的人们应不应该为放射性尘埃担心呢？

youdao