He'd been in intensive care in hospital in Florida after suffering multiple organ failure.

多器官功能衰竭后，他在佛罗里达的医院接受重症监护。

The first is heat stroke, which is directly attributable to heat - in short, the body can no longer cool itself down, which can trigger central nervous system dysfunction or even multiple organ failure.

首先是中暑， 直接归因于热——简而言之，身体无法再自行降温， 从而引发中枢神经系统功能障碍， 甚至多器官功能衰竭。