英语词汇“D layer”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 layer
释义	D layer n. The lowest region of the ionosphere, existing only during the day and extending from about 40 to 65 kilometers (25 to 40 miles) above the earth. Also called D region.
随便看	true-false test true fruit true jellyfish development developmental developmental delay developmental disability developmentally developmental psychology Deventer deverbal deverbative Devereux Devers devest Devi deviance deviancy deviant deviate deviation deviationism deviationist deviator deviatory

英语词典包含135693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。