(常作 be irradiated)expose to radiation 用射线照射 ■expose (food) to gamma rays to kill micro-organisms 用伽马射线处理(食物)以杀死微生物
illuminate (something) by or as if by shining light on it 照耀,照亮 sunlight streamed down through stained glass, irradiating the faces of family and friends. 阳光穿过彩色的玻璃流淌进来,照亮了家人和朋友们的面容。
派生 irradiative [-dɪətɪv] adjective 语源
late 16th cent. (in the sense 'emit rays, shine upon'): from Latin irradiat- 'shone upon', from the verb 'irradiare', from in- 'upon' + radiare 'to shine' (from radius 'ray')