1. syndrome resulting from exposure to ionizing radiation (e.g., exposure to radioactive chemicals or to nuclear explosions); low doses cause diarrhea and nausea and vomiting and sometimes loss of hair; greater exposure can cause sterility and cataracts and some forms of cancer and other diseases; severe exposure can cause death within hours;

   "he was suffering from radiation"
   

More than 930 local people are registered as suffering from radiation sickness.

九百三十多位当地人被注册患有辐射病。

People began to suffer from radiation sickness, and more than 300 died.

人们开始遭受放射性疾病，300多人因此死亡。

Exposure to 1,000 millisieverts (1 sievert) of radiation can cause radiation sickness.

暴露于1000 ms v的辐射量会导致辐射病。