试验、使用核武器所造成的放射性尘埃fall-out

• 这回美军亲自出航，搜集核尘样本。

  This time, the US Army went to find and collect fall-out samples.

• 核尘全球扩散已是不证自明的谎言！

  The global spread of fall-out has been shown to be a self-evident lie!