国际核安全事件分级表的4到7级则被官方称为“事故”，它们往往表示有一人或多人因遭受辐射而死亡——但也并非总是如此。

Levels 4-7 on the INES scale are officially called "accidents" and often, but not always, signal that one or more fatalities from radiation exposure have occurred.

youdao

国际核安全事件分级表的4到7级则被官方称为“事故”，它们往往表示有一人或多人因遭受辐射而死亡——但也并非总是如此。

Levels 4-7 on the INES scale are officially called "accidents" and often, but not always, signal that one or more fatalities from radiation exposure have occurred.

youdao