| 正面 | 3680.radiation 英 [reɪdɪ'eɪʃ(ə)n]美 [,redɪ'eʃən]     |
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| 背面 |      释义： 1. tongue => tone => tune.n. 辐射；发光；放射物 例句： 1. The radiation can damage microprocessors and computer memories, causing them to malfunction.辐射会损坏微处理器和电脑内存，使之失灵。 radiation 放射线，辐射来自 radiate,放射，辐射。 radiation (n.)mid-15c., "act or process of radiating," from Middle French radiation and directly from Latin radiationem (nominative radiatio) "a shining, radiation," noun of action from past participle stem of radiare "to beam, shine, gleam; make beaming," from radius "beam of light; spoke of a wheel" (see radius). Meaning "rays or beams emitted" is from 1560s. Meaning "divergence from a center" is 1650s." |