英语词汇D region怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	D region
释义	D regionn.（名词） The region of the ionosphere about 40 to 65 kilometers (25 to 40 miles) above the earth.D区：电离层中处于地球表面以上40至65公里(25至40英里）的部分
随便看	commanded commandeer commandeered commandeering commandeers commander commander in chief commanders commanders in chief commanding commanding commanding officer commandment commandments command module commando commandoes commandos command post commands commas comma splice commata commedia dell'arte commedia dell'artes

英汉双解词典包含166908条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。