单词	shadow
释义	shadow An area of darkness formed on a surface when an object intercepts the light falling on the surface from a source. In the case of a point source the shadow has a sharply defined outline. If the source has an appreciable size the shadow has two distinct regions; one of full-shadow, called the umbra , the other of half-shadow, called the penumbra (see illustration). Shadows
随便看	caesium clock Cahn-Hilliard model calculus californium caloric theory calorie Calorie calorific value calorimeter calx camera Canada balsam canal rays candela candle power capacitance capacitor capacitor microphone capillarity capillary capture carat carbon cycle carbon dating carbon fibres

物理辞典收录了3346条物理词条，基本涵盖了常用物理知识及物理英语单词词组的翻译及用法，是物理学习的有利工具。