详细解释:n. 辐射
【化】 放射
【医】 放射, 辐射, 照射, 放射[疗法],[放]射线疗法, 射线, 辐射线(解)
英语解释：
名词 radiation:
energy that is radiated or transmitted in the form of rays or waves or particlesthe act of spreading outward from a central sourcesyndrome 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同义词：radiation sickness, radiation syndrome