To approach these issues, "Out of Ground Zero" looks back to earlier sites of catastrophe in Germany and Japan.

为了了解这些问题，“走出归零地”回溯早期德国和日本的灾难现场。

youdao

Freed believes that the lingering cloud of dust -- caused by the towers' collapse and the digging out of ground zero -- caused some of her long- and short-term medical problems, such as her "WTC cough" and other respiratory issues.

CNN: The story

Instead, we are back at ground zero still trying to climb out of the hole.

CNN: Borger: Obama's only choice is to speak out

There are plenty of us out here, not necessarily here at ground zero, but in the city.

CNN: Steelman and Angeli: Search and rescue at ground zero