| 单词 | 不发光 |
| 释义 | 〔thin〕Lacking radiance or intensity:暗淡的：不发光或不强烈的：〔shadow〕An area that is not or is only partially irradiated or illuminated because of the interception of radiation by an opaque object between the area and the source of radiation.阴影：因在其与光源之间有不透明物体截断光线而产生的完全或部分不发光或光亮的区域〔planet〕A nonluminous celestial body larger than an asteroid or a comet, illuminated by light from a star, such as the sun, around which it revolves. In the solar system there are nine known planets: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto.行星：比一颗小行星或一颗彗星大的不发光的天体，由它绕转的恒星，如太阳的光所照亮在太阳系中有九个已知的行星：水星、金星、地球、火星、木星、土星、天王星、海王星和冥王星〔bright〕 lustrous object originates no light but reflects an agreeable sheen: lustrous 的物体本身不发光，但反射宜人的光泽： |
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