There are conditions under which a person could die of dehydration within a single day, and other conditions whereby a person might live for over a week.

有多种条件能使一个在脱水状态下的人在一天内死亡，而在其他条件下，人就可能活过一星期。

youdao

Users were three times more likely to die or have a repeat heart attack within one week of use.

服用者的死亡风险将上升3倍，或在一周内复发心脏病。

youdao

Assuming 10 million people were given the swine flu vaccine (around a sixth of the UK population), that would mean that simply by chance, one person would die suddenly within a week of their jab.

假定有1000万人接种了甲流疫苗(大约是英国总人口的六分之一)。这意味着在接种疫苗的一周内就会有一人突发死亡，而这纯属巧合。

youdao

Those age 65 and over were a stunning 20 percent less likely to die within a week of admission those just under age 65.

FORBES: Left Behind: Will Cutting Medicare Hurt Seniors?

Humans can last for a week or more without food but die within days without water.

FORBES: For 2 Cents A Day Each, We Can Save Hundreds of Millions From Deadly Drinking Water