英语词汇“D region”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	D region
释义	D region the lowest region of the ionosphere, in which the D layer develops. [1925-30]
随便看	gear gearbox gearing gear lever gear pump. gear ratio mesolect mesolite Mesolithic Mesolonghi mesomere mesomerism mesometeorology mesomorph mesomorphic meson mesonephros mesopause mesopeak mesopelagic mesophile mesophilic mesophyll mesophyte mesoplankton

英语词典包含168451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。