Radiation
[reɪdɪ'eɪʃ(ə)n] or [,redɪ'eʃən]
解释:
(noun.) the act of spreading outward from a central source.
(noun.) a radial arrangement of nerve fibers connecting different parts of the brain.
(noun.) the spread of a group of organisms into new habitats.
(noun.) energy that is radiated or transmitted in the form of rays or waves or particles.
(noun.) the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay.
编辑:罗比--From WordNet
解释:
(n.) The act of radiating, or the state of being radiated; emission and diffusion of rays of light; beamy brightness.
(n.) The shooting forth of anything from a point or surface, like the diverging rays of light; as, the radiation of heat.
编辑:弗吉尼亚
同义词及近义词：
n. Irradiance, irradiation, emission of rays.
编辑:珀尔
例句:
- The miracle of a bird's flight, that st eady and almost effortless motion, had interested Langley intensely--as had also the sun's radiation--from the years of his childhood. 李贝. 西洋科学史.
- Radiation is a property inherent in ur anium and independent both of light and of phosphorescence. 李贝. 西洋科学史.
- Days elapsed without any apparent diminution o f the radiation. 李贝. 西洋科学史.
- It is through these radiations that spontaneous transformation takes place. 李贝. 西洋科学史.
- In the mean time the French scientist obtained radiations from metallic uranium and from uranous salts. 李贝. 西洋科学史.
- Schmidt published the results of their studies of the radiations of the salts o f thorium. 李贝. 西洋科学史.
- He sits motionless, like a spider in the center of its web, but that web has a thousand radiations, and he knows well every quiver of each of them. 阿瑟·柯南·道尔. 福尔摩斯回忆录.
乔治娜手打