英语词汇“diurnal arc”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	diurnal arc
释义	diurnal arc noun : the portion of the diurnal circle of a celestial body that is above the observer's horizon < the diurnal arc of the sun is its apparent path from sunrise to sunset >
随便看	ditch sunflower ditchwater dite ditention ditentive diterpene diterpenoid ditetragonal ditheism ditheist ditheistic ditheistical dithematic dither dithered dithery dithi dithi- dithio dithio- dithio dithiocarbamate dithiocarbamic dithiocarbamic acid -dithioic

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