英语单词

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radiation

英 [reɪdɪ'eɪʃ(ə)n] 美 [,redɪ'eʃən]

n. 辐射；发光；放射物

中文词源

radiation 放射线，辐射

来自 radiate,放射，辐射。

英文词源

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.

双语例句

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。

2. The material can absorb outward-going radiation from the Earth.: 该物质可以吸收地球向外辐射的能量。

3. Possibly we are accustomed, biologically speaking, to this background radiation.: 从生物机理上说，我们可能已经习惯了这种本底辐射。

4. The star grew 30% brighter and threw off huge amounts of radiation.: 那颗星的亮度增加了30%并释放出大量辐射。

5. Their cancers are not so clearly tied to radiation exposure.: 他们的癌症是否和接触放射线有关还不太清楚。