名詞 irradiation:

1. the condition of being exposed to radiation
2. a column of light (as from a beacon)
   同義詞：beam, beam of light, light beam, ray, ray of light, shaft, shaft of light
3. (physiology) the spread of sensory neural impulses in the cortex
4. the apparent enlargement of a bright object when viewed against a dark background
5. (Pavolvian conditioning) the elicitation of a conditioned response by stimulation similar but not identical to the original stimulus
6. (medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance
   同義詞：radiotherapy, radiation therapy, radiation, actinotherapy

ir.ra.di.a.tion

n.（名詞）
The act of exposing to radiation or the condition of being so exposed.
輻射；被輻射：使暴露在輻射前的行為或被這樣輻射的狀態(tài)
Therapy or treatment by exposure to radiation.
射線療法：暴露在輻射前的療法或冶療