嚴重暴露者，可能在肺水腫發作數小時內或衰竭後因為缺氧而致死。

嚴重暴露者，可能在肺水腫發作數小時內或衰竭後因為缺氧而致死。

Results (English) 1:

People who are severely exposed may die from hypoxia within a few hours of the onset of pulmonary edema or after failure.

Results (English) 2:

Severely exposed persons may die of lack of oxygen within hours of the onset of pulmonary edema or after failure.

Results (English) 3:

Severe exposure may lead to death due to hypoxia within a few hours after the onset of pulmonary edema or failure.