1580s, from French irradiation, from Latin *irradiationem, noun of action from past participle stem of irradiare (see irradiate). Originally of light (literally and figuratively); of X-rays, etc., from 1901.
雙語(yǔ)例句
1. The technique has been to mutate the genes by irradiation or chemicals.
該技術(shù)是通過(guò)放射線照射或者使用化學(xué)方法使基因變異。
來(lái)自柯林斯例句
2. The after effect occurs only if the additive is present during irradiation.