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

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	conical conical conicality conically conicalness conical surface conical vault conicari coniceine conichalcite conicity conicle conicoid conicopoly conic projection conic section conidae conidendrin conidi conidi- conidia conidial conidian conidio- conidio

英语词典包含332784条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。