单词	sporadic E layer
释义	sporadic E layer noun : a layer of ionization occurring irregularly within the E region of the ionosphere Word History First Known Use 1949, in the meaning defined above
随便看	Lemnaceae lemnaceaes lemnaceous lemnad lemnae lemnas Lemnian Lemnian bole lemnian earth lemniscal lemniscate lemniscates lemnisci lemniscus Lemnos lemnoses lemnosses lemon lemon balm lemon bush lemon chrome lemon chrome yellow lemon cucumber lemon curd lemon dab

英语词典包含469781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。